APA (7th ed.) Citation

Cozens, P., Hillier, D., & Smith, S. (2012). A Review and Discussion of the History and Development of Defensible Space into the 21st Century. Elseview.

Chicago Style (17th ed.) Citation

Cozens, Paul, David Hillier, and SJ Smith. A Review and Discussion of the History and Development of Defensible Space into the 21st Century. Elseview, 2012.

MLA (9th ed.) Citation

Cozens, Paul, et al. A Review and Discussion of the History and Development of Defensible Space into the 21st Century. Elseview, 2012.