APA-referens (7:e uppl.)

Stumpf, S. E. (1999). Socrates to Sartre: A history of philosophy (6th ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Stumpf, Samuel Enoch. Socrates to Sartre: A History of Philosophy. 6th ed. Boston, Mass: McGraw-Hill, 1999.

MLA-referens (9:e uppl.)

Stumpf, Samuel Enoch. Socrates to Sartre: A History of Philosophy. 6th ed. McGraw-Hill, 1999.