APA (7th ed.) Citation

Wallis, J. E., Jr. (1929). German exports of woodworking machinery to South America. [publisher not identified].

Chicago Style (17th ed.) Citation

Wallis, James E., Jr. German Exports of Woodworking Machinery to South America. Washington, D.C.: [publisher not identified], 1929.

MLA (9th ed.) Citation

Wallis, James E., Jr. German Exports of Woodworking Machinery to South America. [publisher not identified], 1929.