APA (7th ed.) Citation

Butts, T. (1932). German industrial imports and exports, 1928-1930. [publisher not identified].

Chicago Style (17th ed.) Citation

Butts, Thomas. German Industrial Imports and Exports, 1928-1930. Washington, D.C.: [publisher not identified], 1932.

MLA (9th ed.) Citation

Butts, Thomas. German Industrial Imports and Exports, 1928-1930. [publisher not identified], 1932.

Warning: These citations may not always be 100% accurate.