Spencer, H. (1872). Classification des sciences. Libr. Germer Baillière.
Chicago Style (17th ed.) CitationSpencer, Herbert. Classification Des Sciences. Paris: Libr. Germer Baillière, 1872.
MLA (9th ed.) CitationSpencer, Herbert. Classification Des Sciences. Libr. Germer Baillière, 1872.
Warning: These citations may not always be 100% accurate.