APA

Polycarp, Kleist J. A. & Papias. (1948). The Didache, The epistle of Barnabas: The epistles and The martyrdom of St. Polycarp, The fragments of Papias, The epistle to Diognetus. Westminster, Md: Newman Press.

Chicago

Polycarp, Kleist James Aloysius and Papias. 1948. The Didache, The epistle of Barnabas: The epistles and The martyrdom of St. Polycarp, The fragments of Papias, The epistle to Diognetus. Westminster, Md: Newman Press.

Harvard

Polycarp, Kleist J. A. and Papias. (1948). The Didache, The epistle of Barnabas: The epistles and The martyrdom of St. Polycarp, The fragments of Papias, The epistle to Diognetus. Westminster, Md: Newman Press.

MLA

Polycarp, Kleist James Aloysius and Papias. The Didache, The epistle of Barnabas: The epistles and The martyrdom of St. Polycarp, The fragments of Papias, The epistle to Diognetus. Westminster, Md: Newman Press. 1948.