APA (7th ed.) Citation

United States Naval Observatory. (1933). Publications of the United States Naval Observatory. [s.n.].

Chicago Style (17th ed.) Citation

United States Naval Observatory. Publications of the United States Naval Observatory. [Washington]: [s.n.], 1933.

MLA (9th ed.) Citation

United States Naval Observatory. Publications of the United States Naval Observatory. [s.n.], 1933.

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