APA Format

49158. (1920). An Intruduction to philosophy. Boston : The Gorham Press

MLA Format

49158. An Intruduction to philosophy. Boston : The Gorham Press, 1920

Chicago Format

49158. An Intruduction to philosophy. Boston : The Gorham Press, 1920

Australian/Harvard Format

49158. 1920. An Intruduction to philosophy. The Gorham Press Boston