APA (7th ed.) Citation

Geological Survey (U.S.), Yerkes, R. F., & Campbell, R. H. (1993). Preliminary geologic map of the Canoga Park 7.5' quadrangle, Southern California, 1992. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), R. F. Yerkes, and Russell H. Campbell. Preliminary Geologic Map of the Canoga Park 7.5' Quadrangle, Southern California, 1992. [Menlo Park, Calif.]: The Survey, 1993.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Preliminary Geologic Map of the Canoga Park 7.5' Quadrangle, Southern California, 1992. The Survey, 1993.