APA (7th ed.) Citation

Kahn, C. H. (2001). Pythagoras and the Pythagoreans: A brief history. Hackett.

Chicago Style (17th ed.) Citation

Kahn, Charles H. Pythagoras and the Pythagoreans: A Brief History. Indianapolis [u.a.]: Hackett, 2001.

MLA (9th ed.) Citation

Kahn, Charles H. Pythagoras and the Pythagoreans: A Brief History. Hackett, 2001.