APA (7th ed.) Citation

HELLER, R. (1998). Essential managers how to delegate. Dorling Kindersley.

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

HELLER, Robert. Essential Managers How to Delegate. Dorling Kindersley, 1998.

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