McCullough, Kelsey, Haukos, David A, and Albanese, Gene. Regal Fritillary (Speyeria idalia) Sex Ratio in Tallgrass Prairie: Effects of Survey Timing and Management Regime. Retrieved from https://par.nsf.gov/biblio/10298598. The American midland naturalist 185.1 Web. doi:10.1637/0003-0031-185.1.57.

McCullough, Kelsey, Haukos, David A, & Albanese, Gene. Regal Fritillary (Speyeria idalia) Sex Ratio in Tallgrass Prairie: Effects of Survey Timing and Management Regime. The American midland naturalist, 185 (1). Retrieved from https://par.nsf.gov/biblio/10298598. https://doi.org/10.1637/0003-0031-185.1.57

McCullough, Kelsey, Haukos, David A, and Albanese, Gene. "Regal Fritillary (Speyeria idalia) Sex Ratio in Tallgrass Prairie: Effects of Survey Timing and Management Regime". The American midland naturalist 185 (1). Country unknown/Code not available. https://doi.org/10.1637/0003-0031-185.1.57. https://par.nsf.gov/biblio/10298598.

@article{osti_10298598,
place = {Country unknown/Code not available}, title = {Regal Fritillary (Speyeria idalia) Sex Ratio in Tallgrass Prairie: Effects of Survey Timing and Management Regime}, url = {https://par.nsf.gov/biblio/10298598}, DOI = {10.1637/0003-0031-185.1.57}, abstractNote = {}, journal = {The American midland naturalist}, volume = {185}, number = {1}, author = {McCullough, Kelsey and Haukos, David A and Albanese, Gene}, editor = {null} }