APA (7th ed.) Citation

Gibson, R. B., & Hassan, S. (2005). Sustainability assessment: Criteria and processes. Earthscan.

Chicago Style (17th ed.) Citation

Gibson, Robert B., and Selma Hassan. Sustainability Assessment: Criteria and Processes. London ; Sterling, VA: Earthscan, 2005.

MLA (9th ed.) Citation

Gibson, Robert B., and Selma Hassan. Sustainability Assessment: Criteria and Processes. Earthscan, 2005.