Cita APA

Hockett, J. A., & Jacobsen, E. W. (1938). Modern practices in the elementary school. Boston, Massachusetts: Ginn.

Citación estilo Chicago

Hockett, John A., y E. W. Jacobsen. Modern Practices in the Elementary School. Boston, Massachusetts: Ginn, 1938.

Cita MLA

Hockett, John A., y E. W. Jacobsen. Modern Practices in the Elementary School. Boston, Massachusetts: Ginn, 1938.