APA (7th ed.) Citation

Erdmann, J. E., & Hough, W. S. (1922). A history of philosophy in 3 volumes (4th ed.). George Allen and Unwin Limited ; Macmillan.

Chicago Style (17th ed.) Citation

Erdmann, Johann Eduard, and Williston S. Hough. A History of Philosophy in 3 Volumes. 4th ed. London : New York: George Allen and Unwin Limited ; Macmillan, 1922.

MLA (9th ed.) Citation

Erdmann, Johann Eduard, and Williston S. Hough. A History of Philosophy in 3 Volumes. 4th ed. George Allen and Unwin Limited ; Macmillan, 1922.