APA
Alexander N Winchell, . (1961). Elements of Optical Mineralogy: An Introduction to Microscopic Petrography: Pt-2: Descriptions of Minerals. New York: John Wiley & Sons.
Chicago
Alexander N Winchell, . 1961. Elements of Optical Mineralogy: An Introduction to Microscopic Petrography: Pt-2: Descriptions of Minerals. New York: John Wiley & Sons.
Harvard
Alexander N Winchell, . (1961). Elements of Optical Mineralogy: An Introduction to Microscopic Petrography: Pt-2: Descriptions of Minerals. New York: John Wiley & Sons.
MLA
Alexander N Winchell, . Elements of Optical Mineralogy: An Introduction to Microscopic Petrography: Pt-2: Descriptions of Minerals. New York: John Wiley & Sons. 1961.