Descartes, R., & Spinoza, B. d. (1952). Rules for de direction of the mind: Discourse on the method ; Meditations on first philosophy ; Objections against the meditations and replies ; The Geometry. Encyclopaedia Britannica.
Chicago Style (17th ed.) CitationDescartes, René, and Benedictus de Spinoza. Rules for De Direction of the Mind: Discourse on the Method ; Meditations on First Philosophy ; Objections Against the Meditations and Replies ; The Geometry. Chicago [etc.]: Encyclopaedia Britannica, 1952.
MLA (9th ed.) CitationDescartes, René, and Benedictus de Spinoza. Rules for De Direction of the Mind: Discourse on the Method ; Meditations on First Philosophy ; Objections Against the Meditations and Replies ; The Geometry. Encyclopaedia Britannica, 1952.
Warning: These citations may not always be 100% accurate.