APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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