APA (7th ed.) Citation

United States. Hydrographic Office. (1931). Ice supplements to Hydrographic bulletins. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Hydrographic Office. Ice Supplements to Hydrographic Bulletins. [Washington]: [publisher not identified], 1931.

MLA (9th ed.) Citation

United States. Hydrographic Office. Ice Supplements to Hydrographic Bulletins. [publisher not identified], 1931.

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