APA

Key V. O., Cummings M. C., . (1966). The responsible electorate: rationality in presidential voting, 1936-1960. Cambridge: Belknap Press of Harvard University Press.

Chicago

Key V O, Cummings Milton C, . 1966. The responsible electorate: rationality in presidential voting, 1936-1960. Cambridge: Belknap Press of Harvard University Press.

Harvard

Key V. O., Cummings M. C., . (1966). The responsible electorate: rationality in presidential voting, 1936-1960. Cambridge: Belknap Press of Harvard University Press.

MLA

Key V O, Cummings Milton C, . The responsible electorate: rationality in presidential voting, 1936-1960. Cambridge: Belknap Press of Harvard University Press. 1966.