Citazione Stile APA (7a Edizione)

Foster, R. J. (1978). Celebration of discipline: The path to spiritual growth. Harper & Row.

Citazione stile Chigago Style (17a edizione)

Foster, Richard J. Celebration of Discipline: The Path to Spiritual Growth. New York: Harper & Row, 1978.

Citatione MLA (9a ed.)

Foster, Richard J. Celebration of Discipline: The Path to Spiritual Growth. Harper & Row, 1978.