APA (7th ed.) Citation

Sutch, P., & Dirth, L. (2011). Geology study manual: 2011 review for the National (ASBOG) Geology Licensing Exam. REG Review.

Chicago Style (17th ed.) Citation

Sutch, Patricia, and Lisa Dirth. Geology Study Manual: 2011 Review for the National (ASBOG) Geology Licensing Exam. [Boulder, Colo.]: REG Review, 2011.

MLA (9th ed.) Citation

Sutch, Patricia, and Lisa Dirth. Geology Study Manual: 2011 Review for the National (ASBOG) Geology Licensing Exam. REG Review, 2011.