APA (7th ed.) Citation

Gregory, 1. X. (1622). Caeremoniale continens ritus electionis Romani pontificis. Ex Typographia Camerae Apostolicae.

Chicago Style (17th ed.) Citation

Gregory, 1554-1623 XV. Caeremoniale Continens Ritus Electionis Romani Pontificis. Romae: Ex Typographia Camerae Apostolicae, 1622.

MLA (9th ed.) Citation

Gregory, 1554-1623 XV. Caeremoniale Continens Ritus Electionis Romani Pontificis. Ex Typographia Camerae Apostolicae, 1622.

Warning: These citations may not always be 100% accurate.