APA (7th ed.) Citation

Pius II, P. (1470). Epistola ad Mahumetum. Printer of Leo, Sermones.

Chicago Style (17th ed.) Citation

Pius II, Pope. Epistola Ad Mahumetum. [Unidentified German or Dutch press: Printer of Leo, Sermones, 1470.

MLA (8th ed.) Citation

Pius II, Pope. Epistola Ad Mahumetum. Printer of Leo, Sermones, 1470.