Cita APA

Richards, M. H., & Richards, M. H. (1965). Songs in motion. Palo Alto, Calif.: Fearon.

Citación estilo Chicago

Richards, Mary Helen, y Mary Helen Richards. Songs in Motion. Palo Alto, Calif.: Fearon, 1965.

Cita MLA

Richards, Mary Helen, y Mary Helen Richards. Songs in Motion. Palo Alto, Calif.: Fearon, 1965.