Comte, A., & Littré, E. (1868). Principes de philosophie positive. Baillière [u.a.].
Chicago Style (17th ed.) CitationComte, Auguste, and Emile Littré. Principes De Philosophie Positive. Paris: Baillière [u.a.], 1868.
MLA (9th ed.) CitationComte, Auguste, and Emile Littré. Principes De Philosophie Positive. Baillière [u.a.], 1868.
Warning: These citations may not always be 100% accurate.