APA
US L. (. o. L. S. (. o., US L. (. o. L. S. (. o., . (1920). Monthly labor review. Washington: U S Government Printing Office.
Chicago
US LABOR (Deptt of-) LABOR STATISTICS (Bureau of-), US LABOR (Deptt of-) LABOR STATISTICS (Bureau of-), . 1920. Monthly labor review. Washington: U S Government Printing Office.
Harvard
US L. (. o. L. S. (. o., US L. (. o. L. S. (. o., . (1920). Monthly labor review. Washington: U S Government Printing Office.
MLA
US LABOR (Deptt of-) LABOR STATISTICS (Bureau of-), US LABOR (Deptt of-) LABOR STATISTICS (Bureau of-), . Monthly labor review. Washington: U S Government Printing Office. 1920.
