Citação norma APA

(1995). Kerala, Director of Census Operations Census of India 1991. Series 12: Kerala. Director of Census Operations.

Citação norma Chicago

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

Citação norma MLA

Kerala, Director of Census Operations 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.