Cita APA (7a ed.)

Petzoldt, R. (1956). Wolfgang Amadeus Mozart. Bibliographisches Institut.

Cita Chicago Style (17a ed.)

Petzoldt, Richard. Wolfgang Amadeus Mozart. Leipzig: Bibliographisches Institut, 1956.

Cita MLA (8a ed.)

Petzoldt, Richard. Wolfgang Amadeus Mozart. Bibliographisches Institut, 1956.