APA (7th ed.) Citation

Willis, K., Christensen-Dalsgaar, J., Ketten, D., & Carr, C. (2013). Middle Ear Cavity Morphology Is Consistent with an Aquatic Origin for Testudines. Public Library of Science.

Chicago Style (17th ed.) Citation

Willis, K., J. Christensen-Dalsgaar, Darlene Ketten, and C. Carr. Middle Ear Cavity Morphology Is Consistent with an Aquatic Origin for Testudines. Public Library of Science, 2013.

MLA (9th ed.) Citation

Willis, K., et al. Middle Ear Cavity Morphology Is Consistent with an Aquatic Origin for Testudines. Public Library of Science, 2013.