APA (7th ed.) Citation

(1995). 20th century Hungary and the great powers. Social Science Monographs [u.a.].

Chicago Style (17th ed.) Citation

20th Century Hungary and the Great Powers. Boulder, Colo: Social Science Monographs [u.a.], 1995.

MLA (9th ed.) Citation

20th Century Hungary and the Great Powers. Social Science Monographs [u.a.], 1995.