Style de citation APA (7e éd.)
Higgins, C., & Coombs, O. (1976). Some time ago: A historical portrait of black americans from 1850-1950. Anchor Press.
Style de citation Chicago (17e éd.)
Higgins, Chester, et Orde Coombs. Some Time Ago: A Historical Portrait of Black Americans from 1850-1950. New York: Anchor Press, 1976.
Style de citation MLA (9e éd.)
Higgins, Chester, et Orde Coombs. Some Time Ago: A Historical Portrait of Black Americans from 1850-1950. Anchor Press, 1976.
Attention : ces citations peuvent ne pas être correctes à 100%.