Cita APA (7a ed.)

(1988). Procter and Gamble: The house that Ivory built. NTC Business Books.

Cita Chicago Style (17a ed.)

Procter and Gamble: The House That Ivory Built. Lincolnwood: NTC Business Books, 1988.

Cita MLA (9a ed.)

Procter and Gamble: The House That Ivory Built. NTC Business Books, 1988.