Hudson, F. S. (1922). Geology of the Cuyamaca region of California with special reference to the origin of the nickeliferous pyrrhotite. University of California Press.
Chicago Style (17th ed.) CitationHudson, Frank Samuel. Geology of the Cuyamaca Region of California with Special Reference to the Origin of the Nickeliferous Pyrrhotite. Berkeley, Calif.: University of California Press, 1922.
MLA (9th ed.) CitationHudson, Frank Samuel. Geology of the Cuyamaca Region of California with Special Reference to the Origin of the Nickeliferous Pyrrhotite. University of California Press, 1922.
Warning: These citations may not always be 100% accurate.