APA (7th ed.) Citation

National Black Business Directories, inc. (1970). National Black business directory, 1971. [National Buy-Black Campaign].

Chicago Style (17th ed.) Citation

National Black Business Directories, inc. National Black Business Directory, 1971. [Minneapolis]: [National Buy-Black Campaign], 1970.

MLA (9th ed.) Citation

National Black Business Directories, inc. National Black Business Directory, 1971. [National Buy-Black Campaign], 1970.