APA (7th ed.) Citation

Colt, G. H. (1991). The enigma of suicide. Summit Books.

Chicago Style (17th ed.) Citation

Colt, George Howe. The Enigma of Suicide. New York: Summit Books, 1991.

MLA (9th ed.) Citation

Colt, George Howe. The Enigma of Suicide. Summit Books, 1991.

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