Παραπομπή σε μορφή APA (7η εκδ.)

Sobel, D. (1996). Longitude: The true story of a lone genius who solved the greatest scientific problem of his time. Fourth Estate.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sobel, Dava. Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time. London: Fourth Estate, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Sobel, Dava. Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time. Fourth Estate, 1996.