Cita APA (7th ed.)

Northington, D. K., & Schneider, E. L. (1996). The botanical world (2nd ed.). WCB.

Cita Chicago (17th ed.)

Northington, David K., i Edward L. Schneider. The Botanical World. 2nd ed. Dubuque, IA: WCB, 1996.

Cita MLA (9th ed.)

Northington, David K., i Edward L. Schneider. The Botanical World. 2nd ed. WCB, 1996.