APA (7th ed.) Citation

Harker, A. (1939). Metamorphism: A study of the transformations of rock-masses (2d ed., rev.). Methuen & Co. ltd..

Chicago Style (17th ed.) Citation

Harker, Alfred. Metamorphism: A Study of the Transformations of Rock-masses. 2d ed., rev. London: Methuen & Co. ltd., 1939.

MLA (9th ed.) Citation

Harker, Alfred. Metamorphism: A Study of the Transformations of Rock-masses. 2d ed., rev. Methuen & Co. ltd., 1939.