APA Edition Citation

Southgate, D. . .., Graham, D. H., & Tween, L. (2007). World food economy. Blackwell.

Chicago Edition Citation

Southgate, Douglas ., Douglas. H. Graham, and Luther Tween. World Food Economy. Carlton: Blackwell, 2007.

MLA Edition Citation

Southgate, Douglas ., et al. World Food Economy. Blackwell, 2007.