Cita APA (7a ed.)

Küng, H., & Moltmann, J. (1979). An Ecumenical confession of faith? Seabury Press.

Cita Chicago Style (17a ed.)

Küng, Hans, y Jürgen Moltmann. An Ecumenical Confession of Faith? New York: Seabury Press, 1979.

Cita MLA (8a ed.)

Küng, Hans, y Jürgen Moltmann. An Ecumenical Confession of Faith? Seabury Press, 1979.