APA (7th ed.) Citation

Stevens, D., Huntingdon, L., & Key, R. (1991). The complete book of garden design, contruction and planting. Ward Lock.

Chicago Style (17th ed.) Citation

Stevens, David, Lucy Huntingdon, and Richard Key. The Complete Book of Garden Design, Contruction and Planting. London: Ward Lock, 1991.

MLA (9th ed.) Citation

Stevens, David, et al. The Complete Book of Garden Design, Contruction and Planting. Ward Lock, 1991.