Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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