APA
Harvard Economic Research Project. Cambridge Massachusetts, Harvard Economic Research Project. Cambridge Massachusetts, . (1955). Report on research for 1955. : Cambridge.
Chicago
Harvard Economic Research Project. Cambridge Massachusetts, Harvard Economic Research Project. Cambridge Massachusetts, . 1955. Report on research for 1955. : Cambridge.
Harvard
Harvard Economic Research Project. Cambridge Massachusetts, Harvard Economic Research Project. Cambridge Massachusetts, . (1955). Report on research for 1955. : Cambridge.
MLA
Harvard Economic Research Project. Cambridge Massachusetts, Harvard Economic Research Project. Cambridge Massachusetts, . Report on research for 1955. : Cambridge. 1955.
