APA (7th ed.) Citation

Adams, C. R., Bamford, K. M., & Early, M. P. (1993). Principles of horticulture (2nd ed.). Boston : Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Adams, C. R., K. M. Bamford, and M. P. Early. Principles of Horticulture. 2nd ed. Oxford: Boston : Butterworth-Heinemann, 1993.

MLA (9th ed.) Citation

Adams, C. R., et al. Principles of Horticulture. 2nd ed. Boston : Butterworth-Heinemann, 1993.