Cita APA (7a ed.)

Janson, R. The relevance of Origen to the theology of the twentieth century.

Cita Chicago Style (17a ed.)

Janson, R.P.C. The Relevance of Origen to the Theology of the Twentieth Century. [s.n.t.].

Cita MLA (9a ed.)

Janson, R.P.C. The Relevance of Origen to the Theology of the Twentieth Century.