APA (7th ed.) Citation

United States Naval Observatory. (1939). Publications of the United States Naval Observatory, Second Series, Volume XIV, Parts I and II. [s.n.].

Chicago Style (17th ed.) Citation

United States Naval Observatory. Publications of the United States Naval Observatory, Second Series, Volume XIV, Parts I and II. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States Naval Observatory. Publications of the United States Naval Observatory, Second Series, Volume XIV, Parts I and II. [s.n.], 1939.