Cita APA (7th ed.)

Asian Development Bank. Environment Division. (1997). Megacities: Environment challenges in the 21st century. ADB].

Cita Chicago (17th ed.)

Asian Development Bank. Environment Division. Megacities: Environment Challenges in the 21st Century. [Manila: ADB], 1997.

Cita MLA (9th ed.)

Asian Development Bank. Environment Division. Megacities: Environment Challenges in the 21st Century. ADB], 1997.