APA

Lindgren H. C., . (1962). Educational psychology in the classroom. New York: John Wiley & Sons.

Chicago

Lindgren Henry Clay, . 1962. Educational psychology in the classroom. New York: John Wiley & Sons.

Harvard

Lindgren H. C., . (1962). Educational psychology in the classroom. New York: John Wiley & Sons.

MLA

Lindgren Henry Clay, . Educational psychology in the classroom. New York: John Wiley & Sons. 1962.