APA (7th ed.) Citation

Higdon, H. (1975). The crime of the century: The Leopold and Loeb case. Putnam.

Chicago Style (17th ed.) Citation

Higdon, Hal. The Crime of the Century: The Leopold and Loeb Case. New York: Putnam, 1975.

MLA (9th ed.) Citation

Higdon, Hal. The Crime of the Century: The Leopold and Loeb Case. Putnam, 1975.