Erdmann, J. E., & Hough, W. S. (1915). A history of philosophy (6th ed.). London: New York: George Allen and Unwin MacMillan.
Chicago Style CitationErdmann, Johann Eduard, and Williston S. Hough. A History of Philosophy. 6th ed. London: New York: George Allen and Unwin MacMillan, 1915.
MLA CitationErdmann, Johann Eduard, and Williston S. Hough. A History of Philosophy. 6th ed. London: New York: George Allen and Unwin MacMillan, 1915.
Warning: These citations may not always be 100% accurate.