APA (7th ed.) Citation

Clifton, M. (1960). Eight keys to Eden ([Book club edition].). Doubleday.

Chicago Style (17th ed.) Citation

Clifton, Mark. Eight Keys to Eden. [Book club edition]. Garden City, N.Y.: Doubleday, 1960.

MLA (8th ed.) Citation

Clifton, Mark. Eight Keys to Eden. [Book club edition]. Doubleday, 1960.