Cita APA (7a ed.)
Applewhite, P., & Wilson, S. (1978). Understanding Biology. Holt, Rinehart and Winston.
Cita Chicago Style (17a ed.)
Applewhite, Philip, y Sam Wilson. Understanding Biology. New York: Holt, Rinehart and Winston, 1978.
Cita MLA (9a ed.)
Applewhite, Philip, y Sam Wilson. Understanding Biology. Holt, Rinehart and Winston, 1978.
Precaución: Estas citas no son 100% exactas.