APA

Ewen D., . (1949). American composers today: a biographical and critical guide. New York: H.W. Wilson Co.

Chicago

Ewen David, . 1949. American composers today: a biographical and critical guide. New York: H.W. Wilson Co.

Harvard

Ewen D., . (1949). American composers today: a biographical and critical guide. New York: H.W. Wilson Co.

MLA

Ewen David, . American composers today: a biographical and critical guide. New York: H.W. Wilson Co. 1949.