Cita APA (7a ed.)
Hammond, A. L. Which World?: Scenarios for the 21st Century : Global Destinies, Regional Choices. Island : World Resources Institute.
Cita estilo Chicago (17a ed.)
Hammond, Allen L. Which World?: Scenarios for the 21st Century : Global Destinies, Regional Choices. Washington, EUA: Island : World Resources Institute.
Cita MLA (9a ed.)
Hammond, Allen L. Which World?: Scenarios for the 21st Century : Global Destinies, Regional Choices. Island : World Resources Institute.
Precaución: Estas citas no son 100% exactas.