Cita APA (7a ed.)
Hockett, J. A., & Jacobsen, E. W. (1943). Modern Practices in the elementary school. Ginn.
Cita Chicago Style (17a ed.)
Hockett, John A., y Einar William Jacobsen. Modern Practices in the Elementary School. Boston [usw.]: Ginn, 1943.
Cita MLA (9a ed.)
Hockett, John A., y Einar William Jacobsen. Modern Practices in the Elementary School. Ginn, 1943.
Precaución: Estas citas no son 100% exactas.