APA (7th ed.) Citation

STEVENSON, F. Humus chemistry genesis, composition, reactions. New York.

Chicago Style (17th ed.) Citation

STEVENSON, F.J. Humus Chemistry Genesis, Composition, Reactions. New York.

MLA (8th ed.) Citation

STEVENSON, F.J. Humus Chemistry Genesis, Composition, Reactions. New York.

Warning: These citations may not always be 100% accurate.