APA (7th ed.) Citation

O'Hear, A. (1992). Karl Popper. Routledge.

Chicago Style (17th ed.) Citation

O'Hear, Antony. Karl Popper. London: Routledge, 1992.

MLA (8th ed.) Citation

O'Hear, Antony. Karl Popper. Routledge, 1992.

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