Lee, S., & Schulz, L. (1902). Forty melodic and progressive etudes for violoncello. G. Schirmer.
Chicago Style (17th ed.) CitationLee, Sebastian, and Leo Schulz. Forty Melodic and Progressive Etudes for Violoncello. New York: G. Schirmer, 1902.
MLA (9th ed.) CitationLee, Sebastian, and Leo Schulz. Forty Melodic and Progressive Etudes for Violoncello. G. Schirmer, 1902.
Warning: These citations may not always be 100% accurate.