APA

Lindgren H. C., . (1967). Educational psychology in the classroom. New York: Wiley.

Chicago

Lindgren Henry Clay, . 1967. Educational psychology in the classroom. New York: Wiley.

Harvard

Lindgren H. C., . (1967). Educational psychology in the classroom. New York: Wiley.

MLA

Lindgren Henry Clay, . Educational psychology in the classroom. New York: Wiley. 1967.