Cita APA (7th ed.)

Ewen, D. (1969). Composers since 1900: A biographical and critical guide. H. W. Wilson.

Cita Chicago (17th ed.)

Ewen, David. Composers Since 1900: A Biographical and Critical Guide. New York: H. W. Wilson, 1969.

Cita MLA (9th ed.)

Ewen, David. Composers Since 1900: A Biographical and Critical Guide. H. W. Wilson, 1969.