APA (7th ed.) Citation

Stevenson, F. (1994). Humus chemistry: Genesis, composition, reactions (2nd ed.). John Wiley and Sons.

Chicago Style (17th ed.) Citation

Stevenson, F.J. Humus Chemistry: Genesis, Composition, Reactions. 2nd ed. New York: John Wiley and Sons, 1994.

MLA (9th ed.) Citation

Stevenson, F.J. Humus Chemistry: Genesis, Composition, Reactions. 2nd ed. John Wiley and Sons, 1994.