APA (7th ed.) Citation

Hopkins, C. G. (1912). The story of the soil, from the basis of absolute science and real life. R. G. Badger.

Chicago Style (17th ed.) Citation

Hopkins, Cyril G. The Story of the Soil, from the Basis of Absolute Science and Real Life. Boston: R. G. Badger, 1912.

MLA (9th ed.) Citation

Hopkins, Cyril G. The Story of the Soil, from the Basis of Absolute Science and Real Life. R. G. Badger, 1912.