Cita APA (7a ed.)

Williams, T. (2010). Positioning for professionals: How professional knowledge firms can differentiate their way to success (1st edition.). Wiley.

Cita Chicago Style (17a ed.)

Williams, Tim. Positioning for Professionals: How Professional Knowledge Firms Can Differentiate Their Way to Success. 1st edition. Hoboken, N.J.: Wiley, 2010.

Cita MLA (9a ed.)

Williams, Tim. Positioning for Professionals: How Professional Knowledge Firms Can Differentiate Their Way to Success. 1st edition. Wiley, 2010.