APA (7th ed.) Citation

Lindgren, H. C. (1967). Educational Psychology in the classroom (3rd ed.). John Wiley.

Chicago Style (17th ed.) Citation

Lindgren, Henry Clay. Educational Psychology in the Classroom. 3rd ed. New York: John Wiley, 1967.

MLA (9th ed.) Citation

Lindgren, Henry Clay. Educational Psychology in the Classroom. 3rd ed. John Wiley, 1967.