APA (7th ed.) Citation

United States. Hydrographic Office. (1905). Sun's apparent declination and equation of time, with hourly differences, for year 1906. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Hydrographic Office. Sun's Apparent Declination and Equation of Time, with Hourly Differences, for Year 1906. [Washington]: [publisher not identified], 1905.

MLA (9th ed.) Citation

United States. Hydrographic Office. Sun's Apparent Declination and Equation of Time, with Hourly Differences, for Year 1906. [publisher not identified], 1905.