APA (7th ed.) Citation

Skeel, D. J., & Sterling, R. E. (1979). The challenge of teaching social studies in the elementary school (3d ed.). Goodyear Pub. Co..

Chicago Style (17th ed.) Citation

Skeel, Dorothy J., and Ronald E. Sterling. The Challenge of Teaching Social Studies in the Elementary School. 3d ed. Santa Monica, Calif.: Goodyear Pub. Co., 1979.

MLA (9th ed.) Citation

Skeel, Dorothy J., and Ronald E. Sterling. The Challenge of Teaching Social Studies in the Elementary School. 3d ed. Goodyear Pub. Co., 1979.