APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1927). Department of the Interior Hubert Work, Secretary U. S. Geological Survey George Otis Smith, Director Bulletin 784 Bibliography of North American Geology for 1923-1924. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Department of the Interior Hubert Work, Secretary U. S. Geological Survey George Otis Smith, Director Bulletin 784 Bibliography of North American Geology for 1923-1924. Washington: [publisher not identified], 1927.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Department of the Interior Hubert Work, Secretary U. S. Geological Survey George Otis Smith, Director Bulletin 784 Bibliography of North American Geology for 1923-1924. [publisher not identified], 1927.