Cita APA (7a ed.)
Stumpf, S. E. (1989). Philosophy history & problems (4.ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)
Stumpf, Samuel Enoch. Philosophy History & Problems. 4.ed. New York: McGraw-Hill, 1989.
Cita MLA (9a ed.)
Stumpf, Samuel Enoch. Philosophy History & Problems. 4.ed. McGraw-Hill, 1989.
Precaución: Estas citas no son 100% exactas.