APA

Follett R. F., . (1987). Soil fertility and organic matter as critical components of production systems : Proceedings of a symposium sponsored by Division S-4, S-2, S-3, and S-8 of the soil Science Society of America in Chicago, IL, 3 December, 1985. U S A: Soil Science Society of America, Inc and American Society of Agronomy, Inc.

Chicago

Follett R F, . 1987. Soil fertility and organic matter as critical components of production systems : Proceedings of a symposium sponsored by Division S-4, S-2, S-3, and S-8 of the soil Science Society of America in Chicago, IL, 3 December, 1985. U S A: Soil Science Society of America, Inc and American Society of Agronomy, Inc.

Harvard

Follett R. F., . (1987). Soil fertility and organic matter as critical components of production systems : Proceedings of a symposium sponsored by Division S-4, S-2, S-3, and S-8 of the soil Science Society of America in Chicago, IL, 3 December, 1985. U S A: Soil Science Society of America, Inc and American Society of Agronomy, Inc.

MLA

Follett R F, . Soil fertility and organic matter as critical components of production systems : Proceedings of a symposium sponsored by Division S-4, S-2, S-3, and S-8 of the soil Science Society of America in Chicago, IL, 3 December, 1985. U S A: Soil Science Society of America, Inc and American Society of Agronomy, Inc. 1987.