APA

Thum Marcella, . (1991). Hippocrene U.S.A. guide to Black America. New York: Hippocrene Books.

Chicago

Thum Marcella, . 1991. Hippocrene U.S.A. guide to Black America. New York: Hippocrene Books.

Harvard

Thum Marcella, . (1991). Hippocrene U.S.A. guide to Black America. New York: Hippocrene Books.

MLA

Thum Marcella, . Hippocrene U.S.A. guide to Black America. New York: Hippocrene Books. 1991.