APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1909). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 372. Bibliography of North American geology for 1906 and 1907 with subject index. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 372. Bibliography of North American Geology for 1906 and 1907 with Subject Index. Washington: [publisher not identified], 1909.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 372. Bibliography of North American Geology for 1906 and 1907 with Subject Index. [publisher not identified], 1909.