Citazione Stile APA (7a Edizione)

Hobhouse, H. (1986). Seeds of change: Five plants that transformed mankind (1st U.S. ed.). Harper & Row.

Citazione stile Chigago Style (17a edizione)

Hobhouse, Henry. Seeds of Change: Five Plants That Transformed Mankind. 1st U.S. ed. New York: Harper & Row, 1986.

Citatione MLA (9a ed.)

Hobhouse, Henry. Seeds of Change: Five Plants That Transformed Mankind. 1st U.S. ed. Harper & Row, 1986.