Cita APA (7th ed.)

Piñón, R. (2002). Biology of human reproduction. University Science Books.

Cita Chicago (17th ed.)

Piñón, Ramón. Biology of Human Reproduction. Sausalito, Calif.: University Science Books, 2002.

Cita MLA (9th ed.)

Piñón, Ramón. Biology of Human Reproduction. University Science Books, 2002.