APA (7th ed.) Citation

Geographical Surveys West of the 100th Meridian (U.S.) & Safford, T. H. (1879). Catalogue of mean declinations of 2018 stars between 0/h to 2/h and 12/h to 24/h right ascension, and 10 degrees and 70 degrees of north declination, for Jan. 1, 1875. U.S. G.P.O..

Chicago Style (17th ed.) Citation

Geographical Surveys West of the 100th Meridian (U.S.) and Truman Henry Safford. Catalogue of Mean Declinations of 2018 Stars Between 0/h to 2/h and 12/h to 24/h Right Ascension, and 10 Degrees and 70 Degrees of North Declination, for Jan. 1, 1875. Washington, DC: U.S. G.P.O., 1879.

MLA (9th ed.) Citation

Geographical Surveys West of the 100th Meridian (U.S.) and Truman Henry Safford. Catalogue of Mean Declinations of 2018 Stars Between 0/h to 2/h and 12/h to 24/h Right Ascension, and 10 Degrees and 70 Degrees of North Declination, for Jan. 1, 1875. U.S. G.P.O., 1879.