APA (7th ed.) Citation

Heilmann, H. (1973). Sonata per arpa. Zimmermann.

Chicago Style (17th ed.) Citation

Heilmann, Harald. Sonata Per Arpa. Frankfurt am Main: Zimmermann, 1973.

MLA (9th ed.) Citation

Heilmann, Harald. Sonata Per Arpa. Zimmermann, 1973.

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