APA (7th ed.) Citation

Smiley, C. N., Ellis, W. A., Catherine, R., Bruegemann, H. W., Metzner, K., Whitsel, L., . . . Niles, E. M. (1931). Hints for Teachers.

Chicago Style (17th ed.) Citation

Smiley, Charles N., Willis A. Ellis, Rose Catherine, Helene Wilson Bruegemann, Katherine Metzner, Lucy Whitsel, Edith B. Pattee, and Edla M. Niles. Hints for Teachers. 1931.

MLA (9th ed.) Citation

Smiley, Charles N., et al. Hints for Teachers. 1931.