APA (7th ed.) Citation

Lindgren, H. C. (1971). Educational psychology in the classroom (4th ed.). Wiley.

Chicago Style (17th ed.) Citation

Lindgren, Henry Clay. Educational Psychology in the Classroom. 4th ed. New York: Wiley, 1971.

MLA (8th ed.) Citation

Lindgren, Henry Clay. Educational Psychology in the Classroom. 4th ed. Wiley, 1971.