Proctor, P. D., Peterson, P. R., & Kackstaetter, U. (1991). Mineral-rock handbook: Rapid-easy mineral-rock determination : written for anyone interested in minerals and rocks. Macmillan Publishing Co.
Chicago Style (17th ed.) CitationProctor, Paul Dean, P. Robert Peterson, and Uwe Kackstaetter. Mineral-rock Handbook: Rapid-easy Mineral-rock Determination : Written for Anyone Interested in Minerals and Rocks. New York: Macmillan Publishing Co, 1991.
MLA (9th ed.) CitationProctor, Paul Dean, et al. Mineral-rock Handbook: Rapid-easy Mineral-rock Determination : Written for Anyone Interested in Minerals and Rocks. Macmillan Publishing Co, 1991.
Warning: These citations may not always be 100% accurate.