Cita APA

Lindgren, H. C. (1959). Educational psychology: In the classroom. John Wiley & Son.

Citación estilo Chicago

Lindgren, Henry Clay. Educational Psychology: In the Classroom. New York: John Wiley & Son, 1959.

Cita MLA

Lindgren, Henry Clay. Educational Psychology: In the Classroom. New York: John Wiley & Son, 1959.