APA (7th ed.) Citation

Hopkins, C. C. (1998). My life in advertising ; & Scientific advertising: Two works. NTC Business Books.

Chicago Style (17th ed.) Citation

Hopkins, Claude C. My Life in Advertising ; & Scientific Advertising: Two Works. Chicago: NTC Business Books, 1998.

MLA (9th ed.) Citation

Hopkins, Claude C. My Life in Advertising ; & Scientific Advertising: Two Works. NTC Business Books, 1998.