APA (7th ed.) Citation

Ng, B. H. (1969). The Opium farms of Perak, 1877-1895. Universiti Malaya.

Chicago Style (17th ed.) Citation

Ng, Bak Hai. The Opium Farms of Perak, 1877-1895. Kuala Lumpur: Universiti Malaya, 1969.

MLA (8th ed.) Citation

Ng, Bak Hai. The Opium Farms of Perak, 1877-1895. Universiti Malaya, 1969.

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