Παραπομπή σε μορφή APA (7η εκδ.)

Langford, P. (1986). Modern philosophies of human nature: Their emergence from Christian thought. M. Nijhoff.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Langford, Peter. Modern Philosophies of Human Nature: Their Emergence from Christian Thought. Dordrecht: M. Nijhoff, 1986.

Παραπομπή σε μορφή MLA (9th εκδ.)

Langford, Peter. Modern Philosophies of Human Nature: Their Emergence from Christian Thought. M. Nijhoff, 1986.