APA
Emmons W. H. ., Thiel G. A., Stauffer C. R. & Allison I. S. (1955). Geology, principles and processes. New York: McGraw-Hill.
Chicago
Emmons William Harvey, Thiel George A, Stauffer Clinton R and Allison Ira S. 1955. Geology, principles and processes. New York: McGraw-Hill.
Harvard
Emmons W. H. ., Thiel G. A., Stauffer C. R. and Allison I. S. (1955). Geology, principles and processes. New York: McGraw-Hill.
MLA
Emmons William Harvey, Thiel George A, Stauffer Clinton R and Allison Ira S. Geology, principles and processes. New York: McGraw-Hill. 1955.