Brown, Charles R., Hannebaum, Stacey L., O’Brien, Valerie A., Page, Catherine E., Rannala, Bruce, Roche, Erin A., Wagnon, Gigi S., Knutie, Sarah A., Moore, Amy T., and Brown, Mary B. The cost of ectoparasitism in Cliff Swallows declines over 35 years. Retrieved from https://par.nsf.gov/biblio/10315180. Ecological Monographs 91.2 Web. doi:10.1002/ecm.1446.

Brown, Charles R., Hannebaum, Stacey L., O’Brien, Valerie A., Page, Catherine E., Rannala, Bruce, Roche, Erin A., Wagnon, Gigi S., Knutie, Sarah A., Moore, Amy T., & Brown, Mary B. The cost of ectoparasitism in Cliff Swallows declines over 35 years. Ecological Monographs, 91 (2). Retrieved from https://par.nsf.gov/biblio/10315180. https://doi.org/10.1002/ecm.1446

Brown, Charles R., Hannebaum, Stacey L., O’Brien, Valerie A., Page, Catherine E., Rannala, Bruce, Roche, Erin A., Wagnon, Gigi S., Knutie, Sarah A., Moore, Amy T., and Brown, Mary B. "The cost of ectoparasitism in Cliff Swallows declines over 35 years". Ecological Monographs 91 (2). Country unknown/Code not available. https://doi.org/10.1002/ecm.1446. https://par.nsf.gov/biblio/10315180.

@article{osti_10315180,
place = {Country unknown/Code not available}, title = {The cost of ectoparasitism in Cliff Swallows declines over 35 years}, url = {https://par.nsf.gov/biblio/10315180}, DOI = {10.1002/ecm.1446}, abstractNote = {}, journal = {Ecological Monographs}, volume = {91}, number = {2}, author = {Brown, Charles R. and Hannebaum, Stacey L. and O’Brien, Valerie A. and Page, Catherine E. and Rannala, Bruce and Roche, Erin A. and Wagnon, Gigi S. and Knutie, Sarah A. and Moore, Amy T. and Brown, Mary B.}, }