Cita APA (7a ed.)

Alpert, A. (1928). The Solving of Problem-Situations by Preschool Children: An Analysis. Thesis. Columbia University.

Cita Chicago Style (17a ed.)

Alpert, Augusta. The Solving of Problem-Situations by Preschool Children: An Analysis. Thesis. New York: Columbia University, 1928.

Cita MLA (8a ed.)

Alpert, Augusta. The Solving of Problem-Situations by Preschool Children: An Analysis. Thesis. Columbia University, 1928.