APA-referens

Stumpf, S. E. (1971). Philosophical problems: Selected readings in ethics, religion, political philosophy, epistemology, and metaphysics. McGraw-Hill.

Chicago-stil citat

Stumpf, Samuel Enoch. Philosophical Problems: Selected Readings in Ethics, Religion, Political Philosophy, Epistemology, and Metaphysics. New York: McGraw-Hill, 1971.

MLA-referens

Stumpf, Samuel Enoch. Philosophical Problems: Selected Readings in Ethics, Religion, Political Philosophy, Epistemology, and Metaphysics. McGraw-Hill, 1971.