APA (7th ed.) Citation

Cocteau, J. (1988). Diary of an unknown (1st American ed.). Paragon House.

Chicago Style (17th ed.) Citation

Cocteau, Jean. Diary of an Unknown. 1st American ed. New York: Paragon House, 1988.

MLA (9th ed.) Citation

Cocteau, Jean. Diary of an Unknown. 1st American ed. Paragon House, 1988.