APA (7th ed.) Citation

Merk, J. (1900). 20 studies, opus 11: For cello solo. International Music.

Chicago Style (17th ed.) Citation

Merk, Joseph. 20 Studies, Opus 11: For Cello Solo. New York: International Music, 1900.

MLA (9th ed.) Citation

Merk, Joseph. 20 Studies, Opus 11: For Cello Solo. International Music, 1900.

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