Παραπομπή σε μορφή APA (7η εκδ.)

Ferguson, K. (2012). Stephen Hawking: His life and work : the story and science of one of the most extraordinary, celebrated and courageous figures of our time. Bantam.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ferguson, Kitty. Stephen Hawking: His Life and Work : The Story and Science of One of the Most Extraordinary, Celebrated and Courageous Figures of Our Time. London: Bantam, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ferguson, Kitty. Stephen Hawking: His Life and Work : The Story and Science of One of the Most Extraordinary, Celebrated and Courageous Figures of Our Time. Bantam, 2012.