APA (7th ed.) Citation

Schlocker, J., & Bonilla, M. G. (1972). Bedrock-surface map of San Francisco North quadrangle, California ; Bedrock-surface map of San Francisco South quadrangle, California. The Survey.

Chicago Style (17th ed.) Citation

Schlocker, Julius, and Manuel G. Bonilla. Bedrock-surface Map of San Francisco North Quadrangle, California ; Bedrock-surface Map of San Francisco South Quadrangle, California. [Washington, D.C.]: The Survey, 1972.

MLA (9th ed.) Citation

Schlocker, Julius, and Manuel G. Bonilla. Bedrock-surface Map of San Francisco North Quadrangle, California ; Bedrock-surface Map of San Francisco South Quadrangle, California. The Survey, 1972.