Cox, H. R. (1974). geology: Principles and concepts, a programmed text. W.h. Freeman.
Chicago Style CitationCox, Helen R. Geology: Principles and Concepts, a Programmed Text. W.h. Freeman, 1974.
MLA CitationCox, Helen R. Geology: Principles and Concepts, a Programmed Text. W.h. Freeman, 1974.
Warning: These citations may not always be 100% accurate.