APA
Gallup J. L., Gaviria A. & Lora E. (2003). Is geography destiny. Washington, D. C: Inter-American Development Bank.
Chicago
Gallup John Luke, Gaviria Alejandro and Lora Eduardo. 2003. Is geography destiny. Washington, D. C: Inter-American Development Bank.
Harvard
Gallup J. L., Gaviria A. and Lora E. (2003). Is geography destiny. Washington, D. C: Inter-American Development Bank.
MLA
Gallup John Luke, Gaviria Alejandro and Lora Eduardo. Is geography destiny. Washington, D. C: Inter-American Development Bank. 2003.