APA

Berger R., University of Harvard, . (1973). Impeachment. Cambridge (Massachussetts): Harvard University Press.

Chicago

Berger Raoul, University of Harvard, . 1973. Impeachment. Cambridge (Massachussetts): Harvard University Press.

Harvard

Berger R., University of Harvard, . (1973). Impeachment. Cambridge (Massachussetts): Harvard University Press.

MLA

Berger Raoul, University of Harvard, . Impeachment. Cambridge (Massachussetts): Harvard University Press. 1973.