APA (7th ed.) Citation

Wallis, J. E., Jr. (1929). Increased number of skilled workers in German industry. [publisher not identified].

Chicago Style (17th ed.) Citation

Wallis, James E., Jr. Increased Number of Skilled Workers in German Industry. Washington, D.C.: [publisher not identified], 1929.

MLA (9th ed.) Citation

Wallis, James E., Jr. Increased Number of Skilled Workers in German Industry. [publisher not identified], 1929.