Citazione Stile APA (7a Edizione)

Levetin, E. (2012). Plants and society (6th ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Levetin, Estelle. Plants and Society. 6th ed. New York: McGraw-Hill, 2012.

Citatione MLA (9a ed.)

Levetin, Estelle. Plants and Society. 6th ed. McGraw-Hill, 2012.