Cita APA (7th ed.)

Lindgren, H. C. (1976). Educational psychology in the classroom (5a. ed.). John Wiley.

Cita Chicago (17th ed.)

Lindgren, Henry Clay. Educational Psychology in the Classroom. 5a. ed. Nueva York: John Wiley, 1976.

Cita MLA (9th ed.)

Lindgren, Henry Clay. Educational Psychology in the Classroom. 5a. ed. John Wiley, 1976.

Atenció: Aquestes cites poden no estar 100% correctes.