APA استشهاد

Constant, B., & Fontana, B. (1988). Political writings. Cambridge University Press.

استشهاد بنمط شيكاغو

Constant, Benjamin, و Biancamaria Fontana. Political Writings. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1988.

MLA استشهاد

Constant, Benjamin, و Biancamaria Fontana. Political Writings. Cambridge University Press, 1988.