Citazione Stile APA (7a Edizione)

Maxwell, J. C. (1999). The 21 indispensable qualities of a leader: Becoming the person others will want to follow. T. Nelson.

Citazione stile Chigago Style (17a edizione)

Maxwell, John C. The 21 Indispensable Qualities of a Leader: Becoming the Person Others Will Want to Follow. Nashville, TN: T. Nelson, 1999.

Citatione MLA (9a ed.)

Maxwell, John C. The 21 Indispensable Qualities of a Leader: Becoming the Person Others Will Want to Follow. T. Nelson, 1999.