APA (7th ed.) Citation

Rex, J. (1961). Key problems of sociological theory. Routledge & Kegan Paul.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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