APA (7th ed.) Citation

Clark, W. B. (1970). Gold districts of California. California Division of Mines and Geology.

Chicago Style (17th ed.) Citation

Clark, William B. Gold Districts of California. San Francisco: California Division of Mines and Geology, 1970.

MLA (9th ed.) Citation

Clark, William B. Gold Districts of California. California Division of Mines and Geology, 1970.

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