APA (7th ed.) Citation

United States. Post Office Department. (1934). Schedule of Steamers Carrying Mails, July 1934. [s.n.].

Chicago Style (17th ed.) Citation

United States. Post Office Department. Schedule of Steamers Carrying Mails, July 1934. [Washington]: [s.n.], 1934.

MLA (9th ed.) Citation

United States. Post Office Department. Schedule of Steamers Carrying Mails, July 1934. [s.n.], 1934.