Cita APA (7th ed.)

Purdue University, Social Science Education Consortium, & Morrissett, I. (1967). Concepts and structure in the new social science curricula. Holt, Rinehart and Winston.

Cita Chicago (17th ed.)

Purdue University, Social Science Education Consortium, i Irving Morrissett. Concepts and Structure in the New Social Science Curricula. New York: Holt, Rinehart and Winston, 1967.

Cita MLA (9th ed.)

Purdue University, et al. Concepts and Structure in the New Social Science Curricula. Holt, Rinehart and Winston, 1967.