Graham, M. J., Ford, K. E. S., McKernan, B., Ross, N. P., Stern, D., Burdge, K., Coughlin, M., Djorgovski, S. G., Drake, A. J., Duev, D., Kasliwal, M., Mahabal, A. A., van Velzen, S., Belecki, J., Bellm, E. C., Burruss, R., Cenko, S. B., Cunningham, V., Helou, G., Kulkarni, S. R., Masci, F. J., Prince, T., Reiley, D., Rodriguez, H., Rusholme, B., Smith, R. M., and Soumagnac, M. T. Candidate Electromagnetic Counterpart to the Binary Black Hole Merger Gravitational-Wave Event S190521g. Retrieved from https://par.nsf.gov/biblio/10300094. Physical Review Letters 124.25 Web. doi:10.1103/PhysRevLett.124.251102.

Graham, M. J., Ford, K. E. S., McKernan, B., Ross, N. P., Stern, D., Burdge, K., Coughlin, M., Djorgovski, S. G., Drake, A. J., Duev, D., Kasliwal, M., Mahabal, A. A., van Velzen, S., Belecki, J., Bellm, E. C., Burruss, R., Cenko, S. B., Cunningham, V., Helou, G., Kulkarni, S. R., Masci, F. J., Prince, T., Reiley, D., Rodriguez, H., Rusholme, B., Smith, R. M., & Soumagnac, M. T. Candidate Electromagnetic Counterpart to the Binary Black Hole Merger Gravitational-Wave Event S190521g. Physical Review Letters, 124 (25). Retrieved from https://par.nsf.gov/biblio/10300094. https://doi.org/10.1103/PhysRevLett.124.251102

Graham, M. J., Ford, K. E. S., McKernan, B., Ross, N. P., Stern, D., Burdge, K., Coughlin, M., Djorgovski, S. G., Drake, A. J., Duev, D., Kasliwal, M., Mahabal, A. A., van Velzen, S., Belecki, J., Bellm, E. C., Burruss, R., Cenko, S. B., Cunningham, V., Helou, G., Kulkarni, S. R., Masci, F. J., Prince, T., Reiley, D., Rodriguez, H., Rusholme, B., Smith, R. M., and Soumagnac, M. T. "Candidate Electromagnetic Counterpart to the Binary Black Hole Merger Gravitational-Wave Event S190521g". Physical Review Letters 124 (25). Country unknown/Code not available. https://doi.org/10.1103/PhysRevLett.124.251102. https://par.nsf.gov/biblio/10300094.

@article{osti_10300094,
place = {Country unknown/Code not available}, title = {Candidate Electromagnetic Counterpart to the Binary Black Hole Merger Gravitational-Wave Event S190521g}, url = {https://par.nsf.gov/biblio/10300094}, DOI = {10.1103/PhysRevLett.124.251102}, abstractNote = {}, journal = {Physical Review Letters}, volume = {124}, number = {25}, author = {Graham, M. J. and Ford, K. E. S. and McKernan, B. and Ross, N. P. and Stern, D. and Burdge, K. and Coughlin, M. and Djorgovski, S. G. and Drake, A. J. and Duev, D. and Kasliwal, M. and Mahabal, A. A. and van Velzen, S. and Belecki, J. and Bellm, E. C. and Burruss, R. and Cenko, S. B. and Cunningham, V. and Helou, G. and Kulkarni, S. R. and Masci, F. J. and Prince, T. and Reiley, D. and Rodriguez, H. and Rusholme, B. and Smith, R. M. and Soumagnac, M. T.}, editor = {null} }