APA (7th ed.) Citation

United States. Office of Library and Naval War Records. (1920). German submarine activities on Atlantic Coast of U.S. and Canada. GPO.

Chicago Style (17th ed.) Citation

United States. Office of Library and Naval War Records. German Submarine Activities on Atlantic Coast of U.S. and Canada. [Washington]: GPO, 1920.

MLA (9th ed.) Citation

United States. Office of Library and Naval War Records. German Submarine Activities on Atlantic Coast of U.S. and Canada. GPO, 1920.

Warning: These citations may not always be 100% accurate.