Cita APA (7a ed.)

Hoskins, C. M. Manila's traffic problem. [publisher not identified].

Cita Chicago Style (17a ed.)

Hoskins, Colin M. Manila's Traffic Problem. Manila: [publisher not identified].

Cita MLA (9a ed.)

Hoskins, Colin M. Manila's Traffic Problem. [publisher not identified].

Precaución: Estas citas no son 100% exactas.