Citazione APA

Barth, K., & Saliers, D. E. (2002). Prayer (50th Anniversary ed.). Westminster John Knox Press.

Stile di citazione Chicago

Barth, Karl, e Don E. Saliers. Prayer. 50th Anniversary ed. Louisville, KY: Westminster John Knox Press, 2002.

Citazione MLA

Barth, Karl, e Don E. Saliers. Prayer. 50th Anniversary ed. Westminster John Knox Press, 2002.