Style de citation APA (7e éd.)

Harker, A. (1919). Petrology for students: An introduction to the study of rocks under the microscope (5th ed., rev.). The University Press.

Style de citation Chicago (17e éd.)

Harker, Alfred. Petrology for Students: An Introduction to the Study of Rocks Under the Microscope. 5th ed., rev. Cambridge [Eng.]: The University Press, 1919.

Style de citation MLA (8e éd.)

Harker, Alfred. Petrology for Students: An Introduction to the Study of Rocks Under the Microscope. 5th ed., rev. The University Press, 1919.