Παραπομπή σε μορφή APA (7η εκδ.)

Romm, J. S. (1992). The edges of the earth in ancient thought: Geography, exploration, and fiction. Princeton University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Romm, James S. The Edges of the Earth in Ancient Thought: Geography, Exploration, and Fiction. Princeton: Princeton University Press, 1992.

Παραπομπή σε μορφή MLA (8th εκδ.)

Romm, James S. The Edges of the Earth in Ancient Thought: Geography, Exploration, and Fiction. Princeton University Press, 1992.