APA (7th ed.) Citation

Harris, R. L. (1991). The customer is king! Toppan Co.

Chicago Style (17th ed.) Citation

Harris, R Lee. The Customer Is King! Singapore: Toppan Co, 1991.

MLA (9th ed.) Citation

Harris, R Lee. The Customer Is King! Toppan Co, 1991.

Warning: These citations may not always be 100% accurate.