Cita APA (7a ed.)
Sur, W. R. (1967). This is music book 4. Allyn and Bacon.
Cita Chicago Style (17a ed.)
Sur, William R. This Is Music Book 4. Boston: Allyn and Bacon, 1967.
Cita MLA (9a ed.)
Sur, William R. This Is Music Book 4. Allyn and Bacon, 1967.
Precaución: Estas citas no son 100% exactas.