Cita APA (7a ed.)

Ashton, A. (2003). Harmonograph: A visual guide to the mathematics of music (First U.S. edition.). Bloomsbury.

Cita Chicago Style (17a ed.)

Ashton, Anthony. Harmonograph: A Visual Guide to the Mathematics of Music. First U.S. edition. New York: Bloomsbury, 2003.

Cita MLA (9a ed.)

Ashton, Anthony. Harmonograph: A Visual Guide to the Mathematics of Music. First U.S. edition. Bloomsbury, 2003.