APA (7th ed.) Citation

International Institute for Environmental Affairs, Quigg, P. W., & Ward, B. (1973). World directory of environmental education programs: Post-secondary study and training in 70 countries. R. R. Booker.

Chicago Style (17th ed.) Citation

International Institute for Environmental Affairs, Philip W. Quigg, and Barbara Ward. World Directory of Environmental Education Programs: Post-secondary Study and Training in 70 Countries. New York: R. R. Booker, 1973.

MLA (9th ed.) Citation

International Institute for Environmental Affairs, et al. World Directory of Environmental Education Programs: Post-secondary Study and Training in 70 Countries. R. R. Booker, 1973.

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