Cita APA (7a ed.)
Helm, E. E. (2013). Melody, harmony, tonality: A book for connoisseurs and amateurs. The Scarecrow Press, Inc..
Cita Chicago Style (17a ed.)
Helm, E. Eugene. Melody, Harmony, Tonality: A Book for Connoisseurs and Amateurs. Lanham, Maryland ; Plymouth, England: The Scarecrow Press, Inc., 2013.
Cita MLA (9a ed.)
Helm, E. Eugene. Melody, Harmony, Tonality: A Book for Connoisseurs and Amateurs. The Scarecrow Press, Inc., 2013.
Precaución: Estas citas no son 100% exactas.