APA (7th ed.) Citation

Hughes, J., & Ggyrosydd. (2013). Calon Lân. Musicnotes, Inc..

Chicago Style (17th ed.) Citation

Hughes, John, and Ggyrosydd. Calon Lân. New York, United States: Musicnotes, Inc., 2013.

MLA (9th ed.) Citation

Hughes, John, and Ggyrosydd. Calon Lân. Musicnotes, Inc., 2013.