APA (7th ed.) Citation

Popper, K. R. (2009). Conjectures and refutations: The growth of scientific knowledge (1. publ. in Routledge classics, repr.). Routledge.

Chicago Style (17th ed.) Citation

Popper, Karl R. Conjectures and Refutations: The Growth of Scientific Knowledge. 1. publ. in Routledge classics, repr. London [u.a.]: Routledge, 2009.

MLA (9th ed.) Citation

Popper, Karl R. Conjectures and Refutations: The Growth of Scientific Knowledge. 1. publ. in Routledge classics, repr. Routledge, 2009.