Cita APA (7a ed.)

Power, M. L., & Schulkin, J. (2012). The evolution of the human placenta. Johns Hopkins University Press.

Cita Chicago Style (17a ed.)

Power, Michael L., y Jay Schulkin. The Evolution of the Human Placenta. Baltimore: Johns Hopkins University Press, 2012.

Cita MLA (8a ed.)

Power, Michael L., y Jay Schulkin. The Evolution of the Human Placenta. Johns Hopkins University Press, 2012.