Cita APA (7a ed.)

Royer, J. (1984). Educational psychology. A.A.Knopf.

Cita Chicago Style (17a ed.)

Royer, J. Educational Psychology. New york: A.A.Knopf, 1984.

Cita MLA (9a ed.)

Royer, J. Educational Psychology. A.A.Knopf, 1984.