Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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