APA (7th ed.) Citation

Lindgren, H. C. (1980). Educational psychology in the classroom / (by) Henry Clay Lindgren (6th ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Lindgren, Henry Clay. Educational Psychology in the Classroom / (by) Henry Clay Lindgren. 6th ed. New York ; Oxford: Oxford University Press, 1980.

MLA (9th ed.) Citation

Lindgren, Henry Clay. Educational Psychology in the Classroom / (by) Henry Clay Lindgren. 6th ed. Oxford University Press, 1980.

Warning: These citations may not always be 100% accurate.