APA

Butterfield H., . (1960). The statecraft of Machiavelli. New York: Macmillan.

Chicago

Butterfield Herbert, . 1960. The statecraft of Machiavelli. New York: Macmillan.

Harvard

Butterfield H., . (1960). The statecraft of Machiavelli. New York: Macmillan.

MLA

Butterfield Herbert, . The statecraft of Machiavelli. New York: Macmillan. 1960.