Παραπομπή σε μορφή APA (7η εκδ.)

Stumpf, S. E. (1994). Philosophical problems: Selected readings in socratic dialogues, ethics, religion, political philosophy, epistemology, and metaphysics (4th ed.). McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Stumpf, Samuel Enoch. Philosophical Problems: Selected Readings in Socratic Dialogues, Ethics, Religion, Political Philosophy, Epistemology, and Metaphysics. 4th ed. New York: McGraw-Hill, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

Stumpf, Samuel Enoch. Philosophical Problems: Selected Readings in Socratic Dialogues, Ethics, Religion, Political Philosophy, Epistemology, and Metaphysics. 4th ed. McGraw-Hill, 1994.