Negro employment in land and air transport; a study of racial policies in the railroad, airline, trucking, and urban transit industries

MLA

Northrup, Herbert R. Negro employment in land and air transport; a study of racial policies in the railroad, airline, trucking, and urban transit industries. Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania, [1971]

APA

Northrup, H. (1971). Negro employment in land and air transport; a study of racial policies in the railroad, airline, trucking, and urban transit industries. Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania.

Chicago

Northrup, Herbert R. Negro employment in land and air transport; a study of racial policies in the railroad, airline, trucking, and urban transit industries. Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania, [1971]