Cita APA (7a ed.)

Calloway, J. (2005). Indispensable: How to become the company that your customers can't live without (1st edition.). J. Wiley.

Cita Chicago Style (17a ed.)

Calloway, Joe. Indispensable: How to Become the Company That Your Customers Can't Live Without. 1st edition. Hoboken, N.J.: J. Wiley, 2005.

Cita MLA (9a ed.)

Calloway, Joe. Indispensable: How to Become the Company That Your Customers Can't Live Without. 1st edition. J. Wiley, 2005.