APA (7th ed.) Citation

Weller, J. M. (1960). Stratigraphic principles and practice. Harper.

Chicago Style (17th ed.) Citation

Weller, J. Marvin. Stratigraphic Principles and Practice. New York: Harper, 1960.

MLA (9th ed.) Citation

Weller, J. Marvin. Stratigraphic Principles and Practice. Harper, 1960.