APA (7th ed.) Citation

Turner, M., & Kuhlmann, E. E. (2014). Trees and shrubs of the Pacific Northwest ([First edition].). Timber Press.

Chicago Style (17th ed.) Citation

Turner, Mark, and Ellen E. Kuhlmann. Trees and Shrubs of the Pacific Northwest. [First edition]. Portland, Oregon: Timber Press, 2014.

MLA (8th ed.) Citation

Turner, Mark, and Ellen E. Kuhlmann. Trees and Shrubs of the Pacific Northwest. [First edition]. Timber Press, 2014.