Cita APA (7th ed.)

Petzoldt, R. (1975). Wolfgang Amadeus Mozart. Breitkopf & Härtel.

Cita Chicago (17th ed.)

Petzoldt, Richard. Wolfgang Amadeus Mozart. Leipzig: Breitkopf & Härtel, 1975.

Cita MLA (8th ed.)

Petzoldt, Richard. Wolfgang Amadeus Mozart. Breitkopf & Härtel, 1975.