Cita APA (7a ed.)

Kostojohn, S., Johnson, M., Paulen, B., & McKinnie, T. (2011). CRM fundamentals. Apress.

Cita Chicago Style (17a ed.)

Kostojohn, Scott, Mathew Johnson, Brian Paulen, y Tom McKinnie. CRM Fundamentals. [New York, N.Y.]: Apress, 2011.

Cita MLA (8a ed.)

Kostojohn, Scott, et al. CRM Fundamentals. Apress, 2011.