Παραπομπή σε μορφή APA (7η εκδ.)

Gonzalez, G., & Richards, J. W. (2004). The privileged planet: How our place in the cosmos is designed for discovery. Regnery Pub. ; National Book Network [distributor].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gonzalez, Guillermo, και Jay Wesley Richards. The Privileged Planet: How Our Place in the Cosmos Is Designed for Discovery. Washington, D.C. : Lanham, Md.: Regnery Pub. ; National Book Network [distributor], 2004.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gonzalez, Guillermo, και Jay Wesley Richards. The Privileged Planet: How Our Place in the Cosmos Is Designed for Discovery. Regnery Pub. ; National Book Network [distributor], 2004.