APA (7th ed.) Citation

Carlson, G. E. (1929). The Negro in the industries of Detroit. [publisher not identified].

Chicago Style (17th ed.) Citation

Carlson, Glen Everett. The Negro in the Industries of Detroit. [Place of publication not identified]: [publisher not identified], 1929.

MLA (9th ed.) Citation

Carlson, Glen Everett. The Negro in the Industries of Detroit. [publisher not identified], 1929.