Παραπομπή σε μορφή APA (7η εκδ.)

Frankfort, H. (1949). Before philosophy: The intellectual adventure of ancient man : an essay on speculative thought in the ancient Near East. Penguin Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Frankfort, Henri. Before Philosophy: The Intellectual Adventure of Ancient Man : An Essay on Speculative Thought in the Ancient Near East. Harmondsworth, Middlesex: Penguin Books, 1949.

Παραπομπή σε μορφή MLA (8th εκδ.)

Frankfort, Henri. Before Philosophy: The Intellectual Adventure of Ancient Man : An Essay on Speculative Thought in the Ancient Near East. Penguin Books, 1949.