Cita APA

Gettell, R. G. (1950). Political science (rev. ed.). World Press.

Citación estilo Chicago

Gettell, Raymond Garfield. Political Science. rev. ed. World Press, 1950.

Cita MLA

Gettell, Raymond Garfield. Political Science. rev. ed. World Press, 1950.

Warning: These citations may not always be 100% accurate.