Cita APA (7th ed.)

West, K. R. (1996). How to draw plants: The techniques of botanical illustration. Timber Press.

Cita Chicago (17th ed.)

West, Keith R. How to Draw Plants: The Techniques of Botanical Illustration. Portland, Or: Timber Press, 1996.

Cita MLA (9th ed.)

West, Keith R. How to Draw Plants: The Techniques of Botanical Illustration. Timber Press, 1996.