APA (7th ed.) Citation

Barker, A. (1996). How to be a better.... decision maker. Kogan Page Limited.

Chicago Style (17th ed.) Citation

Barker, Alan. How to Be a Better.... Decision Maker. London: Kogan Page Limited, 1996.

MLA (9th ed.) Citation

Barker, Alan. How to Be a Better.... Decision Maker. Kogan Page Limited, 1996.