APA (7th ed.) Citation

Downs, C. W., Smeyak, G. P., & Martin, E. (1980). Professional interviewing. Harper & Row.

Chicago Style (17th ed.) Citation

Downs, Cal W., G. P. Smeyak, and Ernest Martin. Professional Interviewing. New York [u.a.]: Harper & Row, 1980.

MLA (9th ed.) Citation

Downs, Cal W., et al. Professional Interviewing. Harper & Row, 1980.