APA (7th ed.) Citation

Gossler, R., Gossler, E., & Gossler, M. (2009). The Gossler guide to the best hardy shrubs: More than 350 expert choices for your garden. Timber Press.

Chicago Style (17th ed.) Citation

Gossler, Roger, Eric Gossler, and Marjory Gossler. The Gossler Guide to the Best Hardy Shrubs: More than 350 Expert Choices for Your Garden. Portland, Or.: Timber Press, 2009.

MLA (8th ed.) Citation

Gossler, Roger, et al. The Gossler Guide to the Best Hardy Shrubs: More than 350 Expert Choices for Your Garden. Timber Press, 2009.

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