Billings, M. P. (1972). Structural geology / (by) Marland P. Billings (3rd ed.). Prentice-Hall.
Chicago Style (17th ed.) CitationBillings, Marland Pratt. Structural Geology / (by) Marland P. Billings. 3rd ed. Englewood Cliffs ; (Hemel Hempstead): Prentice-Hall, 1972.
MLA (9th ed.) CitationBillings, Marland Pratt. Structural Geology / (by) Marland P. Billings. 3rd ed. Prentice-Hall, 1972.
Warning: These citations may not always be 100% accurate.