Citazione Stile APA (7a Edizione)

Popper, D. (1900). 15 Easy studies: Preparatory to studies Opus 76 and 73 for cello. International Music.

Citazione stile Chigago Style (17a edizione)

Popper, David. 15 Easy Studies: Preparatory to Studies Opus 76 and 73 for Cello. Nueva York: International Music, 1900.

Citatione MLA (9a ed.)

Popper, David. 15 Easy Studies: Preparatory to Studies Opus 76 and 73 for Cello. International Music, 1900.