Gaya APA

Smith, G, I. (1964). Geology and Volcanic Petrology of The Lava Mountains, San Bernardino County, California . Washington DC: U.S Government Printing Office.

Gaya MLA

Smith, George, I.. "Geology and Volcanic Petrology of The Lava Mountains, San Bernardino County, California". Washington DC: U.S Government Printing Office, 1964. Text.