APA (7th ed.) Citation

Soil Science Society of America. Division S-4, Soil Science Society of America. Division S-8, Soil Science Society of America. Division A-6, & American Society of Agronomy. (2001). Sustaining soil fertility in West Africa. Soil Science Society of America : American Society of Agronomy.

Chicago Style (17th ed.) Citation

Soil Science Society of America. Division S-4, Soil Science Society of America. Division S-8, Soil Science Society of America. Division A-6, and American Society of Agronomy. Sustaining Soil Fertility in West Africa. Madison, Wis.: Soil Science Society of America : American Society of Agronomy, 2001.

MLA (9th ed.) Citation

Soil Science Society of America. Division S-4, et al. Sustaining Soil Fertility in West Africa. Soil Science Society of America : American Society of Agronomy, 2001.