APA (7th ed.) Citation

Gibson, D. P. (1969). The $30 billion Negro. Macmillan.

Chicago Style (17th ed.) Citation

Gibson, D. Parke. The $30 Billion Negro. [New York]: Macmillan, 1969.

MLA (9th ed.) Citation

Gibson, D. Parke. The $30 Billion Negro. Macmillan, 1969.