APA (7th ed.) Citation

HELLER. (1998). ESSENTIAL managers: How to delegate. Dorling Kindersley.

Chicago Style (17th ed.) Citation

HELLER. ESSENTIAL Managers: How to Delegate. London: Dorling Kindersley, 1998.

MLA (9th ed.) Citation

HELLER. ESSENTIAL Managers: How to Delegate. Dorling Kindersley, 1998.

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