Research and Related Services in the U.S. Department of Agriculture. Vol. 1.

MLA

United States. Research and Related Services in the U.S. Department of Agriculture. Vol. 1. [Place of publication not identified] : [publisher not identified], 1950-1951.

APA

United States. (1950). Research and Related Services in the U.S. Department of Agriculture. Vol. 1. [Place of publication not identified] : [publisher not identified].

Chicago

United States. Research and Related Services in the U.S. Department of Agriculture. Vol. 1. [Place of publication not identified] : [publisher not identified], 1950-1951.