APA (7th ed.) Citation

Iglesia Católica. Congregatio pro Doctrina Fidei. (1979). Letter on certain questions concerning eschatology. Vatican Polyglot Press.

Chicago Style (17th ed.) Citation

Iglesia Católica. Congregatio pro Doctrina Fidei. Letter on Certain Questions Concerning Eschatology. Vatican City: Vatican Polyglot Press, 1979.

MLA (9th ed.) Citation

Iglesia Católica. Congregatio pro Doctrina Fidei. Letter on Certain Questions Concerning Eschatology. Vatican Polyglot Press, 1979.

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