APA (7th ed.) Citation

Ford, P. M. (1981). Principles and practice of outdoor: Environmental education. Wiley.

Chicago Style (17th ed.) Citation

Ford, Phyllis M. Principles and Practice of Outdoor: Environmental Education. New York: Wiley, 1981.

MLA (9th ed.) Citation

Ford, Phyllis M. Principles and Practice of Outdoor: Environmental Education. Wiley, 1981.