Citazione Stile APA (7a Edizione)

Copland, A. (1989). Four early songs: For voice and piano / Aaron Copland. Boosey & Hawkes.

Citazione stile Chigago Style (17a edizione)

Copland, Aaron. Four Early Songs: For Voice and Piano / Aaron Copland. Bonn: Boosey & Hawkes, 1989.

Citatione MLA (8a ed.)

Copland, Aaron. Four Early Songs: For Voice and Piano / Aaron Copland. Boosey & Hawkes, 1989.