Cita APA (7a ed.)
Cotter, D. J. (1993). Learning biology today. Mosby.
Cita Chicago Style (17a ed.)
Cotter, David J. Learning Biology Today. St. Louis: Mosby, 1993.
Cita MLA (9a ed.)
Cotter, David J. Learning Biology Today. Mosby, 1993.
Precaución: Estas citas no son 100% exactas.