APA (7th ed.) Citation

Pfingsten, R. A., & Downs, F. L. (1989). Salamanders of Ohio. College of Biological Sciences, Ohio State of State University.

Chicago Style (17th ed.) Citation

Pfingsten, Ralph A., and Floyd L. Downs. Salamanders of Ohio. Columbus, Ohio: College of Biological Sciences, Ohio State of State University, 1989.

MLA (9th ed.) Citation

Pfingsten, Ralph A., and Floyd L. Downs. Salamanders of Ohio. College of Biological Sciences, Ohio State of State University, 1989.