APA (7th ed.) Citation

Ducoff, L. J. (1944). Wages of agricultural labor in the United States. [publisher not identified].

Chicago Style (17th ed.) Citation

Ducoff, Louis Joseph. Wages of Agricultural Labor in the United States. Washington D.C.: [publisher not identified], 1944.

MLA (9th ed.) Citation

Ducoff, Louis Joseph. Wages of Agricultural Labor in the United States. [publisher not identified], 1944.