APA (7th ed.) Citation

U.S. Employment service, Stead, W. H., Shartle, C. L., & Otis, J. L. (1940). Occupational counseling techniques, their development and application. American book company.

Chicago Style (17th ed.) Citation

U.S. Employment service, William Henry Stead, Carroll L. Shartle, and Jay Lester Otis. Occupational Counseling Techniques, Their Development and Application. New York: American book company, 1940.

MLA (9th ed.) Citation

U.S. Employment service, et al. Occupational Counseling Techniques, Their Development and Application. American book company, 1940.