APA (7th ed.) Citation

Ceylon. Dept. of Statistics, Ceylon. Dept. of Census and Statistics, & Ceylon. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. Ceylon year book. The Department.

Chicago Style (17th ed.) Citation

Ceylon. Dept. of Statistics, Ceylon. Dept. of Census and Statistics, and Ceylon. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. Ceylon Year Book. [Colombo]: The Department.

MLA (8th ed.) Citation

Ceylon. Dept. of Statistics, et al. Ceylon Year Book. The Department.