APA (7th ed.) Citation

Climo, T. A., & Howells, P. G. A. (1976). Possible worlds in historical explanation. History and theory. - Wesleyan University.

Chicago Style (17th ed.) Citation

Climo, T. A., and Peter G. A. Howells. "Possible Worlds in Historical Explanation." History and Theory. - Wesleyan University 1976.

MLA (8th ed.) Citation

Climo, T. A., and Peter G. A. Howells. "Possible Worlds in Historical Explanation." History and Theory. - Wesleyan University, 1976.