APA

Davis J. P., . (1967). The American Negro reference book. New Jercey: Prentice Hall.

Chicago

Davis John P, . 1967. The American Negro reference book. New Jercey: Prentice Hall.

Harvard

Davis J. P., . (1967). The American Negro reference book. New Jercey: Prentice Hall.

MLA

Davis John P, . The American Negro reference book. New Jercey: Prentice Hall. 1967.