APA (7th ed.) Citation

Watkins, B. (2006). Apollo moon missions: The unsung heroes (1. publ.). Praeger.

Chicago Style (17th ed.) Citation

Watkins, Billy. Apollo Moon Missions: The Unsung Heroes. 1. publ. Westport, Conn. [u.a.]: Praeger, 2006.

MLA (9th ed.) Citation

Watkins, Billy. Apollo Moon Missions: The Unsung Heroes. 1. publ. Praeger, 2006.