APA (7th ed.) Citation

Heller, Á. (2016). A theory of history. Routledge.

Chicago Style (17th ed.) Citation

Heller, Ágnes. A Theory of History. London, [England] ; New York, New York: Routledge, 2016.

MLA (9th ed.) Citation

Heller, Ágnes. A Theory of History. Routledge, 2016.