Cita APA (7th ed.)

Preston, R. C. (1958). Teaching social studies in the elementary school (Rev. ed.). Rinehart.

Cita Chicago (17th ed.)

Preston, Ralph Clausius. Teaching Social Studies in the Elementary School. Rev. ed. New York: Rinehart, 1958.

Cita MLA (9th ed.)

Preston, Ralph Clausius. Teaching Social Studies in the Elementary School. Rev. ed. Rinehart, 1958.