APA (7th ed.) Citation

Spinoza, B. d. (1958). On the improvement of the understanding. Liberal Arts Press.

Chicago Style (17th ed.) Citation

Spinoza, Benedictus de. On the Improvement of the Understanding. New York: Liberal Arts Press, 1958.

MLA (9th ed.) Citation

Spinoza, Benedictus de. On the Improvement of the Understanding. Liberal Arts Press, 1958.