Παραπομπή σε μορφή APA (7η εκδ.)

Ferguson, K. (2008). The music of Pythagoras: How an ancient brotherhood cracked the code of the universe and lit the path from antiquity to outer space. Walker & Company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ferguson, Kitty. The Music of Pythagoras: How an Ancient Brotherhood Cracked the Code of the Universe and Lit the Path from Antiquity to Outer Space. New York: Walker & Company, 2008.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ferguson, Kitty. The Music of Pythagoras: How an Ancient Brotherhood Cracked the Code of the Universe and Lit the Path from Antiquity to Outer Space. Walker & Company, 2008.