Citazione Stile APA (7a Edizione)

Popper, D., & Schmidt, B. Studies preparatory to the high school ("Hohe Schule") of cello playing, opus 76. International Music.

Citazione stile Chigago Style (17a edizione)

Popper, David, e Bernhard Schmidt. Studies Preparatory to the High School ("Hohe Schule") of Cello Playing, Opus 76. New York: International Music.

Citatione MLA (9a ed.)

Popper, David, e Bernhard Schmidt. Studies Preparatory to the High School ("Hohe Schule") of Cello Playing, Opus 76. International Music.