APA (7th ed.) Citation

ENGEL. (1983). How to delegae: A guide to getting things done. Gulf Publishing.

Chicago Style (17th ed.) Citation

ENGEL. How to Delegae: A Guide to Getting Things Done. London: Gulf Publishing, 1983.

MLA (8th ed.) Citation

ENGEL. How to Delegae: A Guide to Getting Things Done. Gulf Publishing, 1983.

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