APA (7th ed.) Citation

Evans, D. B. (2021). Cactuses of Big Bend National Park. University of Texas Press.

Chicago Style (17th ed.) Citation

Evans, Douglas B. Cactuses of Big Bend National Park. Austin: University of Texas Press, 2021.

MLA (9th ed.) Citation

Evans, Douglas B. Cactuses of Big Bend National Park. University of Texas Press, 2021.