Cita APA (7th ed.)

Sugarman, S. (1983). Children's early thought: Developments in classification. Cambridge University Press.

Cita Chicago (17th ed.)

Sugarman, Susan. Children's Early Thought: Developments in Classification. Cambridge [Cambridgeshire], New York: Cambridge University Press, 1983.

Cita MLA (9th ed.)

Sugarman, Susan. Children's Early Thought: Developments in Classification. Cambridge University Press, 1983.