APA (7th ed.) Citation

United States. Hydrographic Office. (1944). Caroline, Marianas, Marshall and Gilbert Islands (2nd edition.). United States Government Printing Office.

Chicago Style (17th ed.) Citation

United States. Hydrographic Office. Caroline, Marianas, Marshall and Gilbert Islands. 2nd edition. Washington: United States Government Printing Office, 1944.

MLA (8th ed.) Citation

United States. Hydrographic Office. Caroline, Marianas, Marshall and Gilbert Islands. 2nd edition. United States Government Printing Office, 1944.