APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). Department of the Interior. United States Geological Survey. Charles D. Walcott, Director. Gypsum deposits in the United States. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. Charles D. Walcott, Director. Gypsum Deposits in the United States. Washington: [publisher not identified].

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. Charles D. Walcott, Director. Gypsum Deposits in the United States. [publisher not identified].

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