APA

Cowell H., . (1930). New musical resources. New York [etc.]: Alfred A. Knopf.

Chicago

Cowell Henry, . 1930. New musical resources. New York [etc.]: Alfred A. Knopf.

Harvard

Cowell H., . (1930). New musical resources. New York [etc.]: Alfred A. Knopf.

MLA

Cowell Henry, . New musical resources. New York [etc.]: Alfred A. Knopf. 1930.