Cita APA

(1987). Animal extinctions: What everyone should know. Washington, D.C.: Smithsonian Institution.

Citación estilo Chicago

Animal Extinctions: What Everyone Should Know. Washington, D.C.: Smithsonian Institution, 1987.

Cita MLA

Animal Extinctions: What Everyone Should Know. Washington, D.C.: Smithsonian Institution, 1987.

Precaución: Estas citas no son 100% exactas.