Cita APA (7th ed.)

Manila Observatorio, Philippine Islands. Weather Bureau, & Coronas, J. (1908). Typhoon-warning code of the Manila Observatory. Bureau of Print.

Cita Chicago (17th ed.)

Manila Observatorio, Philippine Islands. Weather Bureau, i Jose Coronas. Typhoon-warning Code of the Manila Observatory. Manila: Bureau of Print, 1908.

Cita MLA (9th ed.)

Manila Observatorio, et al. Typhoon-warning Code of the Manila Observatory. Bureau of Print, 1908.

Atenció: Aquestes cites poden no estar 100% correctes.