APA (7th ed.) Citation

Sidgwick, H. (1969). The development of European polity. Kraus Reprint.

Chicago Style (17th ed.) Citation

Sidgwick, Henry. The Development of European Polity. New York [etc.]: Kraus Reprint, 1969.

MLA (9th ed.) Citation

Sidgwick, Henry. The Development of European Polity. Kraus Reprint, 1969.