APA (7th ed.) Citation

Bullis, H. E., & O'Malley, E. E. (1947). Human relations in the classroom. [Delaware State Society for Mental Hygiene].

Chicago Style (17th ed.) Citation

Bullis, Harold Edmund, and Emily E. O'Malley. Human Relations in the Classroom. [Wilmington]: [Delaware State Society for Mental Hygiene], 1947.

MLA (9th ed.) Citation

Bullis, Harold Edmund, and Emily E. O'Malley. Human Relations in the Classroom. [Delaware State Society for Mental Hygiene], 1947.