APA (7th ed.) Citation

Haefner, R. (1929). The educational significance of left-handedness. Teacher's College, Columbia University.

Chicago Style (17th ed.) Citation

Haefner, Ralph. The Educational Significance of Left-handedness. New York City: Teacher's College, Columbia University, 1929.

MLA (9th ed.) Citation

Haefner, Ralph. The Educational Significance of Left-handedness. Teacher's College, Columbia University, 1929.