APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1911). Well-drilling methods. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Well-drilling Methods. Washington: [publisher not identified], 1911.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Well-drilling Methods. [publisher not identified], 1911.

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