APA (7th ed.) Citation

Sugar, P. F., Hanák, P., & Frank, T. (1990). A History of Hungary. Indiana University Press.

Chicago Style (17th ed.) Citation

Sugar, Peter F., Péter Hanák, and Tibor Frank. A History of Hungary. Bloomington: Indiana University Press, 1990.

MLA (9th ed.) Citation

Sugar, Peter F., et al. A History of Hungary. Indiana University Press, 1990.