APA (7th ed.) Citation

Spinoza, B. d. (1966). Letters to friend and foe. Philosophical Library.

Chicago Style (17th ed.) Citation

Spinoza, Benedictus de. Letters to Friend and Foe. New York,: Philosophical Library, 1966.

MLA (8th ed.) Citation

Spinoza, Benedictus de. Letters to Friend and Foe. Philosophical Library, 1966.

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