Piano trios. Vol. 1
MLA
Hummel, Johann Nepomuk and Voces Intimae (Piano trio). Piano trios. Vol. 1. [Place of publication not identified] : Warner Classics, [2006]
APA
Hummel, J. & Voces Intimae (Piano trio). (2006). Piano trios. Vol. 1. [Place of publication not identified] : Warner Classics.
Chicago
Hummel, Johann Nepomuk and Voces Intimae (Piano trio). Piano trios. Vol. 1. [Place of publication not identified] : Warner Classics, [2006]