APA (7th ed.) Citation

Armstrong Michael. (1990). How to be an even better manager (3rd ed.). Kogan Page.

Chicago Style (17th ed.) Citation

Armstrong Michael. How to Be an Even Better Manager. 3rd ed. Kogan Page, 1990.

MLA (8th ed.) Citation

Armstrong Michael. How to Be an Even Better Manager. 3rd ed. Kogan Page, 1990.

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