Handbook of U.S. labor statistics : employment, earnings, prices, productivity, and other labor data.

MLA

Handbook of U.S. labor statistics : employment, earnings, prices, productivity, and other labor data. Lanham, Md., USA : Bernan Press, c1997-

APA

(1997). Handbook of U.S. labor statistics : employment, earnings, prices, productivity, and other labor data. Lanham, Md., USA : Bernan Press.

Chicago

Handbook of U.S. labor statistics : employment, earnings, prices, productivity, and other labor data. Lanham, Md., USA : Bernan Press, c1997-