APA (7th ed.) Citation

Kirchner, L. (1990). String quartet no. 1 (Score.). Assoc. Music Publ.

Chicago Style (17th ed.) Citation

Kirchner, Leon. String Quartet No. 1. Score. New York, NY: Assoc. Music Publ, 1990.

MLA (9th ed.) Citation

Kirchner, Leon. String Quartet No. 1. Score. Assoc. Music Publ, 1990.

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