Cita APA (7a ed.)

Skeel, D. J. (1970). The challenge of teaching social studies in the elementary school. Goodyear Pub. Co.

Cita Chicago Style (17a ed.)

Skeel, Dorothy J. The Challenge of Teaching Social Studies in the Elementary School. Pacific Palisades, Calif.: Goodyear Pub. Co, 1970.

Cita MLA (8a ed.)

Skeel, Dorothy J. The Challenge of Teaching Social Studies in the Elementary School. Goodyear Pub. Co, 1970.