APA (7th ed.) Citation

Hart, G. (1997). 30 minutes...to succeed in business writing. Kogan Page Limited.

Chicago Style (17th ed.) Citation

Hart, Graham. 30 Minutes...to Succeed in Business Writing. London: Kogan Page Limited, 1997.

MLA (9th ed.) Citation

Hart, Graham. 30 Minutes...to Succeed in Business Writing. Kogan Page Limited, 1997.