APA (7th ed.) Citation

Clausen, R. R., Christopher, T., Detrick, A., & Detrick, L. (2014). Essential perennials: The complete reference to 2700 perennials for the home garden (First edition.). Timber Press.

Chicago Style (17th ed.) Citation

Clausen, Ruth Rogers, Thomas Christopher, Alan Detrick, and Linda Detrick. Essential Perennials: The Complete Reference to 2700 Perennials for the Home Garden. First edition. Portland: Timber Press, 2014.

MLA (8th ed.) Citation

Clausen, Ruth Rogers, et al. Essential Perennials: The Complete Reference to 2700 Perennials for the Home Garden. First edition. Timber Press, 2014.

Warning: These citations may not always be 100% accurate.