Franklin

MLA

Kraehenbuehl, John O. An Investigation of Student Study Lighting. Urbana: University of Illinois, 1937.

APA

Kraehenbuehl, J. O. (1937). An investigation of student study lighting. Urbana: University of Illinois.

Chicago

Kraehenbuehl, John O. An Investigation of Student Study Lighting. Urbana: University of Illinois, 1937.