Lua APA (7ú heag.)

Popper, K. R. (1961). The poverty of historicism. Ark Paperbacks.

Lua i Stíl Chicago (17ú heag.)

Popper, Karl Raimund. The Poverty of Historicism. London: Ark Paperbacks, 1961.

Lua MLA (9ú heag.)

Popper, Karl Raimund. The Poverty of Historicism. Ark Paperbacks, 1961.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.