APA (7th ed.) Citation

Doughty, R. W., & Parmenter, B. M. (1989). Endangered species. Texas Monthly Press.

Chicago Style (17th ed.) Citation

Doughty, Robin W., and Barbara M. Parmenter. Endangered Species. Austin, Tex.: Texas Monthly Press, 1989.

MLA (9th ed.) Citation

Doughty, Robin W., and Barbara M. Parmenter. Endangered Species. Texas Monthly Press, 1989.