APA Format
Ely, Richard T.; Ely, Richard T.. (1925).
Outlines of economics / Richard T. Ely [et.al.]
. New York :: The MacMillan,.
MLA Format
Ely, Richard T.; Ely, Richard T..
Outlines of economics / Richard T. Ely [et.al.]
. New York :: The MacMillan,, 1925
Chicago Format
Ely, Richard T.; Ely, Richard T.. Outlines of economics / Richard T. Ely [et.al.]. New York :: The MacMillan,, 1925.