APA (7th ed.) Citation

Petzoldt, R. (1968). Ludwig van Beethoven (7., verb. Aufl.). VEB Bibliographisches Institut.

Chicago Style (17th ed.) Citation

Petzoldt, Richard. Ludwig Van Beethoven. 7., verb. Aufl. Leipzig: VEB Bibliographisches Institut, 1968.

MLA (9th ed.) Citation

Petzoldt, Richard. Ludwig Van Beethoven. 7., verb. Aufl. VEB Bibliographisches Institut, 1968.

Warning: These citations may not always be 100% accurate.