APA (7th ed.) Citation

Van der Smissen, B., & Goering, O. H. (1977). A leader's guide to nature-oriented activities (3d ed.). Iowa State University Press.

Chicago Style (17th ed.) Citation

Van der Smissen, Betty, and Oswald H. Goering. A Leader's Guide to Nature-oriented Activities. 3d ed. Ames: Iowa State University Press, 1977.

MLA (9th ed.) Citation

Van der Smissen, Betty, and Oswald H. Goering. A Leader's Guide to Nature-oriented Activities. 3d ed. Iowa State University Press, 1977.