APA-viite (7. p.)

Sagan, C. (1973). The cosmic connection: An extraterrestrial perspective. Dell.

Chicago-viite (17. p.)

Sagan, Carl. The Cosmic Connection: An Extraterrestrial Perspective. New York: Dell, 1973.

MLA-viite (9. p.)

Sagan, Carl. The Cosmic Connection: An Extraterrestrial Perspective. Dell, 1973.