Introduction to political science

Chicago citation style
Gettell, Raymond Garfield, 1881-1949. Introduction to political science. [c1922]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007924116. (Accessed December 15, 2018.)
APA citation style
Gettell, Raymond Garfield, 1881-1949, ([c1922]) Introduction to political science. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007924116
MLA citation style
Gettell, Raymond Garfield, 1881-1949. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/007924116>.
Note: These citations are programmatically generated and may be incomplete.