APA (7th ed.) Citation

Lehrer, K. (1992). Theory of knowledge (Reprint.). Routledge.

Chicago Style (17th ed.) Citation

Lehrer, Keith. Theory of Knowledge. Reprint. London: Routledge, 1992.

MLA (9th ed.) Citation

Lehrer, Keith. Theory of Knowledge. Reprint. Routledge, 1992.

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