APA (7th ed.) Citation

Ellis, R. S. (1951). Educational psychology: A problem approach. Van Nostrand.

Chicago Style (17th ed.) Citation

Ellis, Robert Sidney. Educational Psychology: A Problem Approach. New York: Van Nostrand, 1951.

MLA (9th ed.) Citation

Ellis, Robert Sidney. Educational Psychology: A Problem Approach. Van Nostrand, 1951.

Warning: These citations may not always be 100% accurate.