Cita APA

Gettell, R. G. (1933). Political science. Boston: Ginn and company.

Chicago Style Citation

Gettell, Raymond Garfield. Political Science. Boston: Ginn and company, 1933.

Cita MLA

Gettell, Raymond Garfield. Political Science. Boston: Ginn and company, 1933.

Atenció: Aquestes cites poden no estar 100% correctes.