Spencer, H. (1905). Les premiers principles (2. bs.). Paris: Felix Alcan.
Chicago Style CitationSpencer, Herbert. Les Premiers Principles. 2. bs. Paris: Felix Alcan, 1905.
MLA CitationSpencer, Herbert. Les Premiers Principles. 2. bs. Paris: Felix Alcan, 1905.
Warning: These citations may not always be 100% accurate.