APA (7th ed.) Citation

Newsom, N. W., Langfitt, R. E., & Aseltine, J. (1940). Administrative practices in large high schools. American Book Company.

Chicago Style (17th ed.) Citation

Newsom, Nathan William, Roy Emerson Langfitt, and John Aseltine. Administrative Practices in Large High Schools. New York, Cincinnati [etc.]: American Book Company, 1940.

MLA (9th ed.) Citation

Newsom, Nathan William, et al. Administrative Practices in Large High Schools. American Book Company, 1940.