Cita APA (7a ed.)

O'Brien, J., & Cave, A. (2017). The Power of Purpose (1st edition.). Pearson Business.

Cita Chicago Style (17a ed.)

O'Brien, John, y Andrew Cave. The Power of Purpose. 1st edition. Pearson Business, 2017.

Cita MLA (9a ed.)

O'Brien, John, y Andrew Cave. The Power of Purpose. 1st edition. Pearson Business, 2017.