Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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