Gaya APA

Vasey, D, E. (1992). An Ecological history of agriculture : 10,000 B.C. - A.D. 10,000 / Daniel E. Vasey . : Iowa State University Press.

Gaya MLA

Vasey, Daniel, E.. "An Ecological history of agriculture : 10,000 B.C. - A.D. 10,000 / Daniel E. Vasey". : Iowa State University Press, 1992. Textbook.