APA (7th ed.) Citation

Ritchie, D. (1982). Space war (1. ed.). Atheneum.

Chicago Style (17th ed.) Citation

Ritchie, David. Space War. 1. ed. New York: Atheneum, 1982.

MLA (9th ed.) Citation

Ritchie, David. Space War. 1. ed. Atheneum, 1982.