Cita APA (7a ed.)

Heacox, A. E. (1923). Harmony for ear, eye and keyboard (first year). Oliver Ditson Company.

Cita Chicago Style (17a ed.)

Heacox, Arthur Edward. Harmony for Ear, Eye and Keyboard (first Year). Bryn Mawr (Pennsylvania): Oliver Ditson Company, 1923.

Cita MLA (9a ed.)

Heacox, Arthur Edward. Harmony for Ear, Eye and Keyboard (first Year). Oliver Ditson Company, 1923.