Cita APA (7th ed.)

Petzoldt, R. (1978). Wolfgang Amadeus Mozart. Bibliographisches Institut.

Cita Chicago (17th ed.)

Petzoldt, Richard. Wolfgang Amadeus Mozart. Leipzig: Bibliographisches Institut, 1978.

Cita MLA (8th ed.)

Petzoldt, Richard. Wolfgang Amadeus Mozart. Bibliographisches Institut, 1978.