APA (7th ed.) Citation

Hammond, A. L. (1998). Which world: Scenarios for the 21st century, global destinies, regional choices. Island Press.

Chicago Style (17th ed.) Citation

Hammond, Allen L. Which World: Scenarios for the 21st Century, Global Destinies, Regional Choices. Washington, DC: Island Press, 1998.

MLA (9th ed.) Citation

Hammond, Allen L. Which World: Scenarios for the 21st Century, Global Destinies, Regional Choices. Island Press, 1998.