APA (7th ed.) Citation

Hopke, W. E. (1990). The Encyclopedia of careers and vocational guidance (8th ed.). J.G. Ferguson.

Chicago Style (17th ed.) Citation

Hopke, William E. The Encyclopedia of Careers and Vocational Guidance. 8th ed. Chicago, Ill: J.G. Ferguson, 1990.

MLA (9th ed.) Citation

Hopke, William E. The Encyclopedia of Careers and Vocational Guidance. 8th ed. J.G. Ferguson, 1990.