APA (7th ed.) Citation

Nilsen, T. H. (1979). Preliminary photointerpretation map of landslide and other surficial deposits of the Mount Diablo area, Contra Costa and Alameda Counties, California. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Nilsen, Tor Helge. Preliminary Photointerpretation Map of Landslide and Other Surficial Deposits of the Mount Diablo Area, Contra Costa and Alameda Counties, California. Reston, Va.: U.S. Geological Survey, 1979.

MLA (9th ed.) Citation

Nilsen, Tor Helge. Preliminary Photointerpretation Map of Landslide and Other Surficial Deposits of the Mount Diablo Area, Contra Costa and Alameda Counties, California. U.S. Geological Survey, 1979.

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