Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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