APA (7th ed.) Citation

Hopke, W. E. (1967). The Encyclopedia of careers and vocational guidance. Doubleday.

Chicago Style (17th ed.) Citation

Hopke, William E. The Encyclopedia of Careers and Vocational Guidance. Garden City, N.Y.: Doubleday, 1967.

MLA (9th ed.) Citation

Hopke, William E. The Encyclopedia of Careers and Vocational Guidance. Doubleday, 1967.

Warning: These citations may not always be 100% accurate.