United States. Hydrographic Office. (1926). Star identification tables giving simultaneous values of declination and hour angle for values of latitude, altitude, and azimuth, ranging from 0 degrees to 88 degrees in latitude and altitude, and 0 degrees to 180 degrees in azimuth. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Hydrographic Office. Star Identification Tables Giving Simultaneous Values of Declination and Hour Angle for Values of Latitude, Altitude, and Azimuth, Ranging from 0 Degrees to 88 Degrees in Latitude and Altitude, and 0 Degrees to 180 Degrees in Azimuth. Washington: U.S. GPO, 1926.
MLA (9th ed.) CitationUnited States. Hydrographic Office. Star Identification Tables Giving Simultaneous Values of Declination and Hour Angle for Values of Latitude, Altitude, and Azimuth, Ranging from 0 Degrees to 88 Degrees in Latitude and Altitude, and 0 Degrees to 180 Degrees in Azimuth. U.S. GPO, 1926.