Cita APA (7a ed.)

Burr, M. Y. (1931). A study of homogeneous grouping in terms of individual variations and the theaching problem. Columbia University.

Cita Chicago Style (17a ed.)

Burr, Marvin Y. A Study of Homogeneous Grouping in Terms of Individual Variations and the Theaching Problem. New York: Columbia University, 1931.

Cita MLA (9a ed.)

Burr, Marvin Y. A Study of Homogeneous Grouping in Terms of Individual Variations and the Theaching Problem. Columbia University, 1931.