Billings, M. P. (1949). Structural Geology (5. print.). Prentice-Hall.
Chicago Style (17th ed.) CitationBillings, Marland Pratt. Structural Geology. 5. print. New York: Prentice-Hall, 1949.
MLA (9th ed.) CitationBillings, Marland Pratt. Structural Geology. 5. print. Prentice-Hall, 1949.
Warning: These citations may not always be 100% accurate.