Cita APA (7a ed.)

Petzoldt, R. (1950). Johann Sebastian Bach. Bibliographisches Institut.

Cita Chicago Style (17a ed.)

Petzoldt, Richard. Johann Sebastian Bach. Leipzig: Bibliographisches Institut, 1950.

Cita MLA (8a ed.)

Petzoldt, Richard. Johann Sebastian Bach. Bibliographisches Institut, 1950.