United States Naval Observatory. Nautical Almanac Office. (1878). Tables for finding latitude of a place by altitudes of Polaris; supplement to American ephemeris and nautical almanac for years 1878-1881. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States Naval Observatory. Nautical Almanac Office. Tables for Finding Latitude of a Place by Altitudes of Polaris; Supplement to American Ephemeris and Nautical Almanac for Years 1878-1881. [Washington]: [publisher not identified], 1878.
MLA (9th ed.) CitationUnited States Naval Observatory. Nautical Almanac Office. Tables for Finding Latitude of a Place by Altitudes of Polaris; Supplement to American Ephemeris and Nautical Almanac for Years 1878-1881. [publisher not identified], 1878.
Warning: These citations may not always be 100% accurate.