Cita APA (7a ed.)

Armstrong, M. (1994). How to be an even better manager (4th ed.). Kogan Page.

Cita Chicago Style (17a ed.)

Armstrong, Michael. How to Be an Even Better Manager. 4th ed. London: Kogan Page, 1994.

Cita MLA (8a ed.)

Armstrong, Michael. How to Be an Even Better Manager. 4th ed. Kogan Page, 1994.