APA (7th ed.) Citation

(1687). Advice from a Catholick to his Protestant friend, touching the doctrine of purgatory .. publisher not identified].

Chicago Style (17th ed.) Citation

Advice from a Catholick to His Protestant Friend, Touching the Doctrine of Purgatory .. [Douai?: publisher not identified], 1687.

MLA (9th ed.) Citation

Advice from a Catholick to His Protestant Friend, Touching the Doctrine of Purgatory .. publisher not identified], 1687.

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