Cita APA (7th ed.)

Bell, A. D. (2008). Plant form: An illustrated guide to flowering plant morphology (New edition.). Timber Press.

Cita Chicago (17th ed.)

Bell, Adrian D. Plant Form: An Illustrated Guide to Flowering Plant Morphology. New edition. Portland, Or: Timber Press, 2008.

Cita MLA (9th ed.)

Bell, Adrian D. Plant Form: An Illustrated Guide to Flowering Plant Morphology. New edition. Timber Press, 2008.