APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1890). Report on astronomical work of 1889 and 1890. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Report on Astronomical Work of 1889 and 1890. Washington: [publisher not identified], 1890.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Report on Astronomical Work of 1889 and 1890. [publisher not identified], 1890.

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