Negro year book :
an annual encyclopedia of the Negro ... 1947,1952.
APA Citation
Work, M. Nathan. (1912). Negro year book: an annual encyclopedia of the Negro ... 1947,1952. Tuskegee Institute, Ala.: Negro year Book Pub. Co..
MLA Citation
Work, Monroe Nathan. Negro Year Book: an Annual Encyclopedia of the Negro ... 1947,1952. Tuskegee Institute, Ala.: Negro year Book Pub. Co., 1912.
Warning: These citations may not always be complete (especially for serials).