APA (7th ed.) Citation

Heinlein, R. A. (1968). The moon is a harsh mistress. Putnam.

Chicago Style (17th ed.) Citation

Heinlein, Robert A. The Moon Is a Harsh Mistress. New York: Putnam, 1968.

MLA (9th ed.) Citation

Heinlein, Robert A. The Moon Is a Harsh Mistress. Putnam, 1968.