Gaya APA

Gatell, F, O, [., Weinstein, A, [. (1968). American Themes Essays in Historiography (Cet.1). USA: Oxford University Press.

Gaya MLA

Gatell, Frank, Otto, [Ed]., Weinstein, Allen, [Ed]. "American Themes Essays in Historiography". Cet.1 USA: Oxford University Press, 1968. Text.