APA (7th ed.) Citation

Rivers, W. M., & Duffy, M. (1998). Opportunities in foreign language careers. VGM Career Horizons.

Chicago Style (17th ed.) Citation

Rivers, Wilga M., and Marguerite Duffy. Opportunities in Foreign Language Careers. Lincolnwood, Ill.: VGM Career Horizons, 1998.

MLA (9th ed.) Citation

Rivers, Wilga M., and Marguerite Duffy. Opportunities in Foreign Language Careers. VGM Career Horizons, 1998.