APA aipamena

Yang, J., Serres, C., Philibert, D., Robel, P., Baulieu, E. E., & Jouannet, P. (1994). Progesterone and RU486: Opposing effects on human sperm. Proc Natl Acad Sci U S A.

Chicago Style aipamena

Yang, J., C. Serres, D. Philibert, P. Robel, E E. Baulieu, and P. Jouannet. "Progesterone and RU486: Opposing Effects On Human Sperm." Proc Natl Acad Sci U S A 1994.

MLA aipamena

Yang, J., et al. "Progesterone and RU486: Opposing Effects On Human Sperm." Proc Natl Acad Sci U S A 1994.