Cita APA (7a ed.)

Greene, J., & Stellman, A. (2018). Head first PMP (4th edition.). O'Reilly.

Cita Chicago Style (17a ed.)

Greene, Jennifer, y Andrew Stellman. Head First PMP. 4th edition. Beijing: O'Reilly, 2018.

Cita MLA (9a ed.)

Greene, Jennifer, y Andrew Stellman. Head First PMP. 4th edition. O'Reilly, 2018.