APA način citiranja (7. izdanje)
Quammen, D. (2002). The Origin of species: Descent of a text, with modification. Library of Congress.
Čikaški stil citiranja (17. izdanje)
Quammen, David. The Origin of Species: Descent of a Text, with Modification. Washington, DC: Library of Congress, 2002.
MLA način citiranja (9. izdanje)
Quammen, David. The Origin of Species: Descent of a Text, with Modification. Library of Congress, 2002.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.