Cita APA (7a ed.)

Tucker, W. J. (1966). Harmony of the spheres: The real numerology : a reconstruction of the lost theory of Pithagoras (2nd ed., repr.). Pythagorean Publications.

Cita Chicago Style (17a ed.)

Tucker, William Joseph. Harmony of the Spheres: The Real Numerology : A Reconstruction of the Lost Theory of Pithagoras. 2nd ed., repr. Sidcup, Kent: Pythagorean Publications, 1966.

Cita MLA (9a ed.)

Tucker, William Joseph. Harmony of the Spheres: The Real Numerology : A Reconstruction of the Lost Theory of Pithagoras. 2nd ed., repr. Pythagorean Publications, 1966.