George Trumbull Ladd : pioneer American psychologist

MLA

Mills, Eugene S. George Trumbull Ladd : Pioneer American Psychologist. Clevelan,: Press of Case Western Reserve University, 1969.

APA

Mills, E. S. (1969). George Trumbull Ladd : pioneer American psychologist. Clevelan,: Press of Case Western Reserve University.

Chicago

Mills, Eugene S., George Trumbull Ladd: Pioneer American Psychologist. Clevelan,: Press of Case Western Reserve University, 1969.