APA (7th ed.) Citation

Longworth, P. (1972). The three empresses: Catherine I, Anne and Elizabeth of Russia. Holt, Rinehart & Winston.

Chicago Style (17th ed.) Citation

Longworth, Philip. The Three Empresses: Catherine I, Anne and Elizabeth of Russia. New York: Holt, Rinehart & Winston, 1972.

MLA (9th ed.) Citation

Longworth, Philip. The Three Empresses: Catherine I, Anne and Elizabeth of Russia. Holt, Rinehart & Winston, 1972.