APA (7th ed.) Citation

Pirsson, L. V., & Schuchert, C. (1920). A text-book of geology (2nd ed.). John Wiley.

Chicago Style (17th ed.) Citation

Pirsson, Louis V., and Charles Schuchert. A Text-book of Geology. 2nd ed. New York: John Wiley, 1920.

MLA (9th ed.) Citation

Pirsson, Louis V., and Charles Schuchert. A Text-book of Geology. 2nd ed. John Wiley, 1920.

Warning: These citations may not always be 100% accurate.