APA Citation

Elkington, J., & Hartigan, P. (2008). The power of unreasonable people: How social entrepeneurs create markets that change the world. Boston: Harvard Business School Press.

Chicago Style Citation

Elkington, John, and Pamela Hartigan. The Power of Unreasonable People: How Social Entrepeneurs Create Markets That Change the World. Boston: Harvard Business School Press, 2008.

MLA Citation

Elkington, John, and Pamela Hartigan. The Power of Unreasonable People: How Social Entrepeneurs Create Markets That Change the World. Boston: Harvard Business School Press, 2008.

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