APA (7th ed.) Citation

LINDGREN, H. C. (1967). Educational psychology in the classroom.-- ed.3. John Wiley and Sons.

Chicago Style (17th ed.) Citation

LINDGREN, Henry Clay. Educational Psychology in the Classroom.-- Ed.3. New York: John Wiley and Sons, 1967.

MLA (9th ed.) Citation

LINDGREN, Henry Clay. Educational Psychology in the Classroom.-- Ed.3. John Wiley and Sons, 1967.