APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1929). Professional Paper 157. The mother lode system of California. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Professional Paper 157. The Mother Lode System of California. Washington: [publisher not identified], 1929.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Professional Paper 157. The Mother Lode System of California. [publisher not identified], 1929.

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