Citazione Stile APA (7a Edizione)

Dworkin, S. (2009). The Viking in the wheat field: A scientist's struggle to preserve the world's harvest. Walker.

Citazione stile Chigago Style (17a edizione)

Dworkin, Susan. The Viking in the Wheat Field: A Scientist's Struggle to Preserve the World's Harvest. New York: Walker, 2009.

Citatione MLA (9a ed.)

Dworkin, Susan. The Viking in the Wheat Field: A Scientist's Struggle to Preserve the World's Harvest. Walker, 2009.