APA (7th ed.) Citation

(1929). Ephemeris of Sun and Polaris and tables of azimuths and altitudes of Polaris for year 1930. GPO.

Chicago Style (17th ed.) Citation

Ephemeris of Sun and Polaris and Tables of Azimuths and Altitudes of Polaris for Year 1930. [Washington]: GPO, 1929.

MLA (9th ed.) Citation

Ephemeris of Sun and Polaris and Tables of Azimuths and Altitudes of Polaris for Year 1930. GPO, 1929.

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