APA (7th ed.) Citation

Bellarmino, R. F. R. (1634). De aeterna felicitate sanctorum libri quinque.

Chicago Style (17th ed.) Citation

Bellarmino, Roberto Francesco Romolo. De Aeterna Felicitate Sanctorum Libri Quinque. Coloniae, 1634.

MLA (9th ed.) Citation

Bellarmino, Roberto Francesco Romolo. De Aeterna Felicitate Sanctorum Libri Quinque. 1634.

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