APA (7th ed.) Citation

Johnstone, S. J. (1922). Potash (New Ed., rev. and enl.). Murray.

Chicago Style (17th ed.) Citation

Johnstone, Sydney J. Potash. New Ed., rev. and enl. London: Murray, 1922.

MLA (9th ed.) Citation

Johnstone, Sydney J. Potash. New Ed., rev. and enl. Murray, 1922.