APA (7th ed.) Citation

Petau, D. (1648). De Lege et gratia Libri duo.

Chicago Style (17th ed.) Citation

Petau, Denis. De Lege Et Gratia Libri Duo. Paris, 1648.

MLA (9th ed.) Citation

Petau, Denis. De Lege Et Gratia Libri Duo. 1648.

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