APA (7th ed.) Citation

Schoch, R. M. (1989). Stratigraphy: Principles and methods. Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

Schoch, Robert M. Stratigraphy: Principles and Methods. New York: Van Nostrand Reinhold, 1989.

MLA (9th ed.) Citation

Schoch, Robert M. Stratigraphy: Principles and Methods. Van Nostrand Reinhold, 1989.