APA (7th ed.) Citation

Hockett, J. A., & Jacobsen, E. W. (1943). Modern practices in the elementary school (new ed.). Ginn.

Chicago Style (17th ed.) Citation

Hockett, John A., and Einar W. Jacobsen. Modern Practices in the Elementary School. new ed. Boston [u.a.]: Ginn, 1943.

MLA (9th ed.) Citation

Hockett, John A., and Einar W. Jacobsen. Modern Practices in the Elementary School. new ed. Ginn, 1943.