United States. Department of the Interior. (1910). Ephemeris of Sun and Polaris and tables of azimuths of Polaris for period from July to Dec., inclusive, 1910. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of the Interior. Ephemeris of Sun and Polaris and Tables of Azimuths of Polaris for Period from July to Dec., Inclusive, 1910. [Washington]: GPO, 1910.
MLA (9th ed.) CitationUnited States. Department of the Interior. Ephemeris of Sun and Polaris and Tables of Azimuths of Polaris for Period from July to Dec., Inclusive, 1910. GPO, 1910.
Warning: These citations may not always be 100% accurate.