APA (7th ed.) Citation

Wills, W. H. (1988). Early prehistoric agriculture in the American Southwest. School of American Research Press.

Chicago Style (17th ed.) Citation

Wills, Wirt H. Early Prehistoric Agriculture in the American Southwest. Santa Fe, NM: School of American Research Press, 1988.

MLA (9th ed.) Citation

Wills, Wirt H. Early Prehistoric Agriculture in the American Southwest. School of American Research Press, 1988.