Citazione APA

Egan, E., Zarrella, J., & Terrell, B. (1983). Spirituality and peacemaking.

Stile di citazione Chicago

Egan, Eileen, Joe Zarrella, e Brian Terrell. Spirituality and Peacemaking. 1983.

Citazione MLA

Egan, Eileen, et al. Spirituality and Peacemaking. 1983.