APA (7th ed.) Citation

Descartes, R. (1664). Principia philosophiae ..

Chicago Style (17th ed.) Citation

Descartes, René. Principia Philosophiae .. Amstelodamum, 1664.

MLA (9th ed.) Citation

Descartes, René. Principia Philosophiae .. 1664.

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