Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.