Παραπομπή σε μορφή APA (7η εκδ.)

Penner, H. H. (2003). On self-regulating systems, cannibals, and cogs that turn no wheels: A response to Joel Sweek. Method & theory in the study of religion, 15(4), 390-408.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Penner, Hans H. "On Self-regulating Systems, Cannibals, and Cogs That Turn No Wheels: A Response to Joel Sweek." Method & Theory in the Study of Religion 15, no. 4 (2003): 390-408.

Παραπομπή σε μορφή MLA (9th εκδ.)

Penner, Hans H. "On Self-regulating Systems, Cannibals, and Cogs That Turn No Wheels: A Response to Joel Sweek." Method & Theory in the Study of Religion, vol. 15, no. 4, 2003, pp. 390-408.

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