APA (7th ed.) Citation

Popper, K. R. (1989). The poverty of historicism. Ark Paperbacks.

Chicago Style (17th ed.) Citation

Popper, Karl Raimund. The Poverty of Historicism. London [etc.]: Ark Paperbacks, 1989.

MLA (9th ed.) Citation

Popper, Karl Raimund. The Poverty of Historicism. Ark Paperbacks, 1989.

Warning: These citations may not always be 100% accurate.