APA (7th ed.) Citation

Billings, M. P. (1954). Structural geology (2. ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Billings, Marland Pratt. Structural Geology. 2. ed. New York: Prentice-Hall, 1954.

MLA (9th ed.) Citation

Billings, Marland Pratt. Structural Geology. 2. ed. Prentice-Hall, 1954.