APA (7th ed.) Citation

Kilpatrick, S. K., Gibbs, J., Mikulas, M. M., Spichiger, S., Ostiguy, N., Biddinger, D. J., & Lopez-Uribe, M. M. (2020). An updated checklist of the bees (Hymenoptera, Apoidea, Anthophila) of Pennsylvania, United States of America. Pensoft Publishers.

Chicago Style (17th ed.) Citation

Kilpatrick, Shelby Kerrin, Jason Gibbs, Martin M. Mikulas, Sven-Erik Spichiger, Nancy Ostiguy, David J. Biddinger, and Margarita M. Lopez-Uribe. An Updated Checklist of the Bees (Hymenoptera, Apoidea, Anthophila) of Pennsylvania, United States of America. Pensoft Publishers, 2020.

MLA (9th ed.) Citation

Kilpatrick, Shelby Kerrin, et al. An Updated Checklist of the Bees (Hymenoptera, Apoidea, Anthophila) of Pennsylvania, United States of America. Pensoft Publishers, 2020.