APA (7th ed.) Citation

Ng, M. C., & Cheng, Y. Y. (1999). Climatology of Tuen Mun, 1988-1998. Hong Kong Observatory.

Chicago Style (17th ed.) Citation

Ng, M. C., and Y. Y. Cheng. Climatology of Tuen Mun, 1988-1998. Hong Kong: Hong Kong Observatory, 1999.

MLA (9th ed.) Citation

Ng, M. C., and Y. Y. Cheng. Climatology of Tuen Mun, 1988-1998. Hong Kong Observatory, 1999.