APA (7th ed.) Citation

Baer, M. F., & Roeber, E. C. (1951). Occupational information: Its nature and use. Science Research Associates.

Chicago Style (17th ed.) Citation

Baer, Max F., and Edward C. Roeber. Occupational Information: Its Nature and Use. Chicago: Science Research Associates, 1951.

MLA (9th ed.) Citation

Baer, Max F., and Edward C. Roeber. Occupational Information: Its Nature and Use. Science Research Associates, 1951.