APA
Rogers J. A., . (1972). World's great men of colour ; Vol-II. London: Collier Macmillan.
Chicago
Rogers J A, . 1972. World's great men of colour ; Vol-II. London: Collier Macmillan.
Harvard
Rogers J. A., . (1972). World's great men of colour ; Vol-II. London: Collier Macmillan.
MLA
Rogers J A, . World's great men of colour ; Vol-II. London: Collier Macmillan. 1972.