MLA

to Free Angela Davis, New York Committee. A Political Biography of Angela Davis. New York Committee to Free Angela Davis, 1971. https://collections.library.yale.edu/catalog/10509739.

APA, 6th edition

to Free Angela Davis, N. Y. C. (1971). A political biography of Angela Davis [Biographies, Pamphlets]. New York Committee to Free Angela Davis, https://collections.library.yale.edu/catalog/10509739.