Citazione Stile APA (7a Edizione)

SIMPSON, B. B., & OGORZALY, M. C. (2001). Economic botany: Plants in our world.-- ed.3. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

SIMPSON, Beryl Brintnall, e Molly Conner OGORZALY. Economic Botany: Plants in Our World.-- Ed.3. Boston: McGraw-Hill, 2001.

Citatione MLA (9a ed.)

SIMPSON, Beryl Brintnall, e Molly Conner OGORZALY. Economic Botany: Plants in Our World.-- Ed.3. McGraw-Hill, 2001.