APA (7th ed.) Citation

Lutosławski, W. (1970). String quartet (1964) (Study score.). Chester Music.

Chicago Style (17th ed.) Citation

Lutosławski, Witold. String Quartet (1964). Study score. London: Chester Music, 1970.

MLA (9th ed.) Citation

Lutosławski, Witold. String Quartet (1964). Study score. Chester Music, 1970.

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