APA (7th ed.) Citation

Spinoza, B. d. (1996). Ethics. Penguin Books.

Chicago Style (17th ed.) Citation

Spinoza, Benedictus de. Ethics. London: Penguin Books, 1996.

MLA (8th ed.) Citation

Spinoza, Benedictus de. Ethics. Penguin Books, 1996.

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