APA (7th ed.) Citation

United States Naval Observatory. (1872). Report on difference of longitude between Washington and St. Louis. [publisher not identified].

Chicago Style (17th ed.) Citation

United States Naval Observatory. Report on Difference of Longitude Between Washington and St. Louis. [Washington]: [publisher not identified], 1872.

MLA (9th ed.) Citation

United States Naval Observatory. Report on Difference of Longitude Between Washington and St. Louis. [publisher not identified], 1872.

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