APA (7th ed.) Citation

Singapore. Dept. of Statistics & Khoo, C. K. (1980). Census of population, 1980, Singapore: Release. Dept. of Statistics.

Chicago Style (17th ed.) Citation

Singapore. Dept. of Statistics and Chian Kim Khoo. Census of Population, 1980, Singapore: Release. Singapore: Dept. of Statistics, 1980.

MLA (8th ed.) Citation

Singapore. Dept. of Statistics and Chian Kim Khoo. Census of Population, 1980, Singapore: Release. Dept. of Statistics, 1980.