Citazione Stile APA (7a Edizione)
Vanzant, I. (1998). One day my soul just opened up: 40 days and 40 nights toward spiritual strength and personal growth. Fireside.
Citazione stile Chigago Style (17a edizione)
Vanzant, Iyanla. One Day My Soul Just Opened Up: 40 Days and 40 Nights Toward Spiritual Strength and Personal Growth. New York: Fireside, 1998.
Citatione MLA (9a ed.)
Vanzant, Iyanla. One Day My Soul Just Opened Up: 40 Days and 40 Nights Toward Spiritual Strength and Personal Growth. Fireside, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.