APA (7th ed.) Citation

Allred, S., & McDonald, L. (2015). Ponderosa: Big pine of the Southwest. The University of Arizona Press.

Chicago Style (17th ed.) Citation

Allred, Sylvester, and Leigh McDonald. Ponderosa: Big Pine of the Southwest. Tucson, Arizona: The University of Arizona Press, 2015.

MLA (9th ed.) Citation

Allred, Sylvester, and Leigh McDonald. Ponderosa: Big Pine of the Southwest. The University of Arizona Press, 2015.

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