APA (7th ed.) Citation

Wingate, M., & Koch, J. (2013). Perennials for the Pacific Northwest: 500 best plants for flower gardens. Sasquatch Books.

Chicago Style (17th ed.) Citation

Wingate, Marty, and Jacqueline Koch. Perennials for the Pacific Northwest: 500 Best Plants for Flower Gardens. Seattle, WA: Sasquatch Books, 2013.

MLA (8th ed.) Citation

Wingate, Marty, and Jacqueline Koch. Perennials for the Pacific Northwest: 500 Best Plants for Flower Gardens. Sasquatch Books, 2013.

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