United States. Hydrographic Office. (1909). Azimuths of sun for latitudes extending to 61 degrees from equator. GPO.
Chicago Style (17th ed.) CitationUnited States. Hydrographic Office. Azimuths of Sun for Latitudes Extending to 61 Degrees from Equator. [Washington]: GPO, 1909.
MLA (9th ed.) CitationUnited States. Hydrographic Office. Azimuths of Sun for Latitudes Extending to 61 Degrees from Equator. GPO, 1909.
Warning: These citations may not always be 100% accurate.