APA

Easton D., Dennis J., . (1969). Children in the political system: origins of political legitimacy. New York: McGraw-Hill.

Chicago

Easton David, Dennis Jack, . 1969. Children in the political system: origins of political legitimacy. New York: McGraw-Hill.

Harvard

Easton D., Dennis J., . (1969). Children in the political system: origins of political legitimacy. New York: McGraw-Hill.

MLA

Easton David, Dennis Jack, . Children in the political system: origins of political legitimacy. New York: McGraw-Hill. 1969.