[Song and keyboard pieces]

MLA

Dreyschok, Alexander, et al. [song and Keyboard Pieces]. s.l, 1850.

APA

Dreyschok, A., Meyerbeer, G., Heuchemer, J., & Scherrer, J. (1850). [Song and keyboard pieces]. s.l.

Chicago

Dreyschok, Alexander, Giacomo Meyerbeer, Johann Heuchemer, and Joseph Scherrer. [song and Keyboard Pieces]. s.l, 1850.