APA

Metcalf G. R., . (1968). Black profiles. New York [etc.]: McGraw-Hill.

Chicago

Metcalf George R, . 1968. Black profiles. New York [etc.]: McGraw-Hill.

Harvard

Metcalf G. R., . (1968). Black profiles. New York [etc.]: McGraw-Hill.

MLA

Metcalf George R, . Black profiles. New York [etc.]: McGraw-Hill. 1968.