APA Цитирование

Director of Census Operations. (1977). Census 1971. Director of Census Operations.

Chicago-стиль цитирования

Director of Census Operations. Census 1971. Trivandrum: Director of Census Operations, 1977.

MLA-цитирование

Director of Census Operations. Census 1971. Director of Census Operations, 1977.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.