APA (7th ed.) Citation

Winter, C. A. (1976). Opportunities in biological sciences careers. Vocational Guidance Manuals.

Chicago Style (17th ed.) Citation

Winter, Charles A. Opportunities in Biological Sciences Careers. Louisville, KY: Vocational Guidance Manuals, 1976.

MLA (9th ed.) Citation

Winter, Charles A. Opportunities in Biological Sciences Careers. Vocational Guidance Manuals, 1976.