APA (7th ed.) Citation

American Horticultural Society, Brickell, C., & Zuk, J. D. (2004). The American Horticultural Society A-Z encyclopedia of garden plants (Revised US edition.). DK Pub..

Chicago Style (17th ed.) Citation

American Horticultural Society, Christopher Brickell, and Judith D. Zuk. The American Horticultural Society A-Z Encyclopedia of Garden Plants. Revised US edition. New York, N.Y.: DK Pub., 2004.

MLA (8th ed.) Citation

American Horticultural Society, et al. The American Horticultural Society A-Z Encyclopedia of Garden Plants. Revised US edition. DK Pub., 2004.