APA (7th ed.) Citation

United States. Hydrographic Office. (1911). Sun's declination and equation of time, 1911; table of sunset and sunrise. GPO.

Chicago Style (17th ed.) Citation

United States. Hydrographic Office. Sun's Declination and Equation of Time, 1911; Table of Sunset and Sunrise. [Washington]: GPO, 1911.

MLA (9th ed.) Citation

United States. Hydrographic Office. Sun's Declination and Equation of Time, 1911; Table of Sunset and Sunrise. GPO, 1911.

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