APA (7th ed.) Citation

Robson, K. A., Richter, A., & Filbert, M. (2008). Encyclopedia of Northwest native plants for gardens and landscapes. Timber Press.

Chicago Style (17th ed.) Citation

Robson, Kathleen A., Alice Richter, and Marianne Filbert. Encyclopedia of Northwest Native Plants for Gardens and Landscapes. Portland, Or.: Timber Press, 2008.

MLA (8th ed.) Citation

Robson, Kathleen A., et al. Encyclopedia of Northwest Native Plants for Gardens and Landscapes. Timber Press, 2008.

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