Style de citation APA (7e éd.)

Sagan, C., & Druyan, A. (2006). The varieties of scientific experience: A personal view of the search for God. Penguin Press.

Style de citation Chicago (17e éd.)

Sagan, Carl, et Ann Druyan. The Varieties of Scientific Experience: A Personal View of the Search for God. New York [u.a.]: Penguin Press, 2006.

Style de citation MLA (8e éd.)

Sagan, Carl, et Ann Druyan. The Varieties of Scientific Experience: A Personal View of the Search for God. Penguin Press, 2006.