Cita APA (7a ed.)

Tillich, P., & Clayton, J. (1987). Writings in the philosophy of religion = Religionsphilosophische Schriften. Gruyter.

Cita Chicago Style (17a ed.)

Tillich, Paul, y John Clayton. Writings in the Philosophy of Religion = Religionsphilosophische Schriften. Berlin [etc.]: Gruyter, 1987.

Cita MLA (9a ed.)

Tillich, Paul, y John Clayton. Writings in the Philosophy of Religion = Religionsphilosophische Schriften. Gruyter, 1987.