APA (7th ed.) Citation

Cohen, L. J. (1954). The principles of world citizenship. Blackwell.

Chicago Style (17th ed.) Citation

Cohen, Laurence Jonathan. The Principles of World Citizenship. Oxford: Blackwell, 1954.

MLA (9th ed.) Citation

Cohen, Laurence Jonathan. The Principles of World Citizenship. Blackwell, 1954.

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