APA (7th ed.) Citation

Heller, R. (1999). DK Essential Managers. DK Pub..

Chicago Style (17th ed.) Citation

Heller, Robert. DK Essential Managers. London: DK Pub., 1999.

MLA (9th ed.) Citation

Heller, Robert. DK Essential Managers. DK Pub., 1999.

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