APA (7th ed.) Citation

Rex, J. (1961). Key Problems of sociological theory. Routledge & K. Paul.

Chicago Style (17th ed.) Citation

Rex, John. Key Problems of Sociological Theory. London: Routledge & K. Paul, 1961.

MLA (9th ed.) Citation

Rex, John. Key Problems of Sociological Theory. Routledge & K. Paul, 1961.

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