APA (7th ed.) Citation

United States. Selective Service. (1972). Conscientious objectors: What conscientious objection is all about. [U.S. G.P.O.].

Chicago Style (17th ed.) Citation

United States. Selective Service. Conscientious Objectors: What Conscientious Objection Is All About. [Washington]: [U.S. G.P.O.], 1972.

MLA (9th ed.) Citation

United States. Selective Service. Conscientious Objectors: What Conscientious Objection Is All About. [U.S. G.P.O.], 1972.