Cita APA (7th ed.)
Willard, D. (1991). The spirit of the disciplines: Understanding how God changes lives. Harper.
Cita Chicago (17th ed.)
Willard, Dallas. The Spirit of the Disciplines: Understanding How God Changes Lives. San Francisco: Harper, 1991.
Cita MLA (9th ed.)
Willard, Dallas. The Spirit of the Disciplines: Understanding How God Changes Lives. Harper, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.