APA (7th ed.) Citation

Spinoza, B. d., & Elwes, R. H. M. (2011). Ethics (Library ed.). Tantor Media, Inc..

Chicago Style (17th ed.) Citation

Spinoza, Benedictus de, and R. H. M. Elwes. Ethics. Library ed. [Old Saybrook, Ct.]: Tantor Media, Inc., 2011.

MLA (9th ed.) Citation

Spinoza, Benedictus de, and R. H. M. Elwes. Ethics. Library ed. Tantor Media, Inc., 2011.