Cita APA

Burgmüller, F., & Otwell, M. (2004). 25 progressive studies: : opus 100. New York: G. Schirmer.

Citación estilo Chicago

Burgmüller, Friedrich, y Margaret Otwell. 25 Progressive Studies: : Opus 100. New York: G. Schirmer, 2004.

Cita MLA

Burgmüller, Friedrich, y Margaret Otwell. 25 Progressive Studies: : Opus 100. New York: G. Schirmer, 2004.