APA (7th ed.) Citation
Spinoza, B. d. (2001). On the improvement of the understanding. Project Gutenberg.
Chicago Style (17th ed.) Citation
Spinoza, Benedictus de. On the Improvement of the Understanding. Champaign, IL: Project Gutenberg, 2001.
MLA (9th ed.) Citation
Spinoza, Benedictus de. On the Improvement of the Understanding. Project Gutenberg, 2001.
Warning: These citations may not always be 100% accurate.