Citação norma APA

(1995). Kerala. Director Census Operation: Census of India 1991. series-12: Kerala. Director of Census Operations.

Citação norma Chicago

Kerala. Director Census Operation: Census of India 1991. Series-12: Kerala. New Delhi: Director of Census Operations, 1995.

Citação norma MLA

Kerala. Director Census Operation: Census of India 1991. Series-12: Kerala. Director of Census Operations, 1995.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.