Citazione Stile APA (7a Edizione)

Purton, R. W. (1968). Our democracy (6. impression.). Collins Clear-Type Press.

Citazione stile Chigago Style (17a edizione)

Purton, Rowland W. Our Democracy. 6. impression. London: Collins Clear-Type Press, 1968.

Citatione MLA (9a ed.)

Purton, Rowland W. Our Democracy. 6. impression. Collins Clear-Type Press, 1968.