APA (7th ed.) Citation

Johannsen, A. (1939). A descriptive petrography of the igneous rocks ... The University of Chicago Press.

Chicago Style (17th ed.) Citation

Johannsen, Albert. A Descriptive Petrography of the Igneous Rocks ... Chicago, Ill.: The University of Chicago Press, 1939.

MLA (9th ed.) Citation

Johannsen, Albert. A Descriptive Petrography of the Igneous Rocks ... The University of Chicago Press, 1939.

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