APA (7th ed.) Citation

Magnuson, E. W. (1925). German machinery trade with Great Britain declines. [publisher not identified].

Chicago Style (17th ed.) Citation

Magnuson, Erik W. German Machinery Trade with Great Britain Declines. Washington, D.C.: [publisher not identified], 1925.

MLA (9th ed.) Citation

Magnuson, Erik W. German Machinery Trade with Great Britain Declines. [publisher not identified], 1925.