APA Citation

Sagan, C., & Agel, J. (1973). The cosmic connection. New York: Doubleday.

Chicago Style Citation

Sagan, Carl, and Jerome Agel. The Cosmic Connection. New York: Doubleday, 1973.

MLA Citation

Sagan, Carl, and Jerome Agel. The Cosmic Connection. New York: Doubleday, 1973.

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