APA (7th ed.) Citation

Sagan, C., & Agel, p. J. (1975). The cosmic connection. Coronet Books.

Chicago Style (17th ed.) Citation

Sagan, Carl, and prod. Jerome Agel. The Cosmic Connection. Coronet Books, 1975.

MLA (8th ed.) Citation

Sagan, Carl, and prod. Jerome Agel. The Cosmic Connection. Coronet Books, 1975.

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