APA (7th ed.) Citation

Lau, S. Y. (1989). Global solar radiation in Hong Kong. Royal Observatory.

Chicago Style (17th ed.) Citation

Lau, S. Y. Global Solar Radiation in Hong Kong. Hong Kong: Royal Observatory, 1989.

MLA (9th ed.) Citation

Lau, S. Y. Global Solar Radiation in Hong Kong. Royal Observatory, 1989.

Warning: These citations may not always be 100% accurate.