APA (7th ed.) Citation

Pyle, R. M., & LaBar, C. C. (2018). Butterflies of the Pacific Northwest. Timber Press.

Chicago Style (17th ed.) Citation

Pyle, Robert Michael, and Caitlin C. LaBar. Butterflies of the Pacific Northwest. Portland, Oregon: Timber Press, 2018.

MLA (8th ed.) Citation

Pyle, Robert Michael, and Caitlin C. LaBar. Butterflies of the Pacific Northwest. Timber Press, 2018.

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