Παραπομπή σε μορφή APA (7η εκδ.)

Mullin, R. P. (2007). The soul of classical American philosophy: The ethical and spiritual insights of William James, Josiah Royce, and Charles Sanders Peirce. State University of New York Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Mullin, Richard P. The Soul of Classical American Philosophy: The Ethical and Spiritual Insights of William James, Josiah Royce, and Charles Sanders Peirce. Albany: State University of New York Press, 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

Mullin, Richard P. The Soul of Classical American Philosophy: The Ethical and Spiritual Insights of William James, Josiah Royce, and Charles Sanders Peirce. State University of New York Press, 2007.