MLA

Highfield, Ron. Barth and Rahner In Dialogue : Toward an Ecumenical Understanding of Sin and Evil. New York: Lang, 1989.

APA

Highfield, R. (1989). Barth and Rahner in dialogue : toward an ecumenical understanding of sin and evil. New York: Lang.

Chicago

Highfield, Ron, Barth and Rahner In Dialogue: Toward an Ecumenical Understanding of Sin and Evil. New York: Lang, 1989.