APA

Thorndike R. L., . (1963). The concepts of over-and underachievement. New York: Bureau of Publications, Teachers College, Columbia University.

Chicago

Thorndike Robert Ladd, . 1963. The concepts of over-and underachievement. New York: Bureau of Publications, Teachers College, Columbia University.

Harvard

Thorndike R. L., . (1963). The concepts of over-and underachievement. New York: Bureau of Publications, Teachers College, Columbia University.

MLA

Thorndike Robert Ladd, . The concepts of over-and underachievement. New York: Bureau of Publications, Teachers College, Columbia University. 1963.