APA (7th ed.) Citation

Popper, K. R. (2002). The poverty of historicism ([2nd ed. ?].). Routledge.

Chicago Style (17th ed.) Citation

Popper, Karl R. The Poverty of Historicism. [2nd ed. ?]. New York: Routledge, 2002.

MLA (9th ed.) Citation

Popper, Karl R. The Poverty of Historicism. [2nd ed. ?]. Routledge, 2002.