Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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