Cita APA (7a ed.)

Bultmann, R. (1973). The Johannine Letters. Fortress Press.

Cita Chicago Style (17a ed.)

Bultmann, Rudolf. The Johannine Letters. Philadelphia: Fortress Press, 1973.

Cita MLA (8a ed.)

Bultmann, Rudolf. The Johannine Letters. Fortress Press, 1973.