APA (7th ed.) Citation

Godsey, E. R., Johnston, M., & Macdonald, H. S. (1938). In the Classroom.

Chicago Style (17th ed.) Citation

Godsey, Edith R., Mary Johnston, and Helen S. Macdonald. In the Classroom. 1938.

MLA (9th ed.) Citation

Godsey, Edith R., et al. In the Classroom. 1938.