APA-viite

O' Brien, D. P. (1970). J.R. McCulloch; A Study in Classical Economics. George Allen & Unwin.

Chicago-tyylinen lähdeviittaus

O' Brien, D P. J.R. McCulloch; A Study in Classical Economics. London: George Allen & Unwin, 1970.

MLA-viite

O' Brien, D P. J.R. McCulloch; A Study in Classical Economics. George Allen & Unwin, 1970.