Cita APA (7a ed.)

Gregory I, P. (1472). [Liber epistolarum]. Gunther Zainer.

Cita Chicago Style (17a ed.)

Gregory I, Pope. [Liber Epistolarum]. [Augsburg: Gunther Zainer, 1472.

Cita MLA (8a ed.)

Gregory I, Pope. [Liber Epistolarum]. Gunther Zainer, 1472.