APA Format
Lipsey, Richard G., 1928-. (1993).
Economics / Richard G. Lipsey... [et.al ]
. New York :: Harper Collins College Publishers,.
MLA Format
Lipsey, Richard G., 1928-.
Economics / Richard G. Lipsey... [et.al ]
. New York :: Harper Collins College Publishers,, 1993
Chicago Format
Lipsey, Richard G., 1928-. Economics / Richard G. Lipsey... [et.al ]. New York :: Harper Collins College Publishers,, 1993.