APA (7th ed.) Citation

Macdonald, G. A. (1939). An intrusive peperite at San Pedro Hill, California. University of California Press.

Chicago Style (17th ed.) Citation

Macdonald, Gordon A. An Intrusive Peperite at San Pedro Hill, California. Berkeley, CA: University of California Press, 1939.

MLA (9th ed.) Citation

Macdonald, Gordon A. An Intrusive Peperite at San Pedro Hill, California. University of California Press, 1939.