Essentials for the microscopical determination of rock-forming minerals and rocks,
in thin sections.

APA Citation

Johannsen, A. (1922). Essentials for the microscopical determination of rock-forming minerals and rocks: in thin sections. Chicago: University of Chicago Press.

MLA Citation

Johannsen, Albert, 1871-1962. Essentials for the Microscopical Determination of Rock-forming Minerals And Rocks: In Thin Sections. Chicago: University of Chicago Press, 1922.

Warning: These citations may not always be complete (especially for serials).