APA-Zitierstil (7. Ausg.)

Nørgård, P. (1979). Spell (1973): For clarinet, violoncello and piano (Players' score.). Wilhelm Hansen.

Chicago-Zitierstil (17. Ausg.)

Nørgård, Per. Spell (1973): For Clarinet, Violoncello and Piano. Players' score. [Copenhagen, Denmark]: Wilhelm Hansen, 1979.

MLA-Zitierstil (9. Ausg.)

Nørgård, Per. Spell (1973): For Clarinet, Violoncello and Piano. Players' score. Wilhelm Hansen, 1979.