Cita APA (7th ed.)
Karlgaard, R., Peters, T. R., & Christensen, C. M. (2014). The soft edge: Where great companies find lasting success (First edition.). Jossey-Bass.
Cita Chicago (17th ed.)
Karlgaard, Richard, Thomas R. Peters, i Clayton M. Christensen. The Soft Edge: Where Great Companies Find Lasting Success. First edition. San Francisco, California: Jossey-Bass, 2014.
Cita MLA (9th ed.)
Karlgaard, Richard, et al. The Soft Edge: Where Great Companies Find Lasting Success. First edition. Jossey-Bass, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.