APA (7th ed.) Citation

Heym, S. (1942). Hostages, a novel. G.P. Putnam's sons.

Chicago Style (17th ed.) Citation

Heym, Stefan. Hostages, a Novel. New York: G.P. Putnam's sons, 1942.

MLA (9th ed.) Citation

Heym, Stefan. Hostages, a Novel. G.P. Putnam's sons, 1942.