Cita APA

Bell, A. D., & Bryan, A. (1991). Plant form: An illustrated guide to flowering plant morphology. Oxford: Oxford University Press.

Citación estilo Chicago

Bell, Adrian D., y Alan Bryan. Plant Form: An Illustrated Guide to Flowering Plant Morphology. Oxford: Oxford University Press, 1991.

Cita MLA

Bell, Adrian D., y Alan Bryan. Plant Form: An Illustrated Guide to Flowering Plant Morphology. Oxford: Oxford University Press, 1991.