APA (7th ed.) Citation

Long, W. R. (1922). Steamship services from U.S. ports. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Long, W. Rodney. Steamship Services from U.S. Ports. [Washington?]: U.S. Government Printing Office, 1922.

MLA (9th ed.) Citation

Long, W. Rodney. Steamship Services from U.S. Ports. U.S. Government Printing Office, 1922.