Citação norma APA

(1995). Census of India 1991- Kerala: Primary Census Abstract: General Population (Directorate of Census Operations.). Directorate of Census Operations.

Citação norma Chicago

Census of India 1991- Kerala: Primary Census Abstract: General Population. Directorate of Census Operations. Thiruvananthapuram, Kerala: Directorate of Census Operations, 1995.

Citação norma MLA

Census of India 1991- Kerala: Primary Census Abstract: General Population. Directorate of Census Operations. Directorate of Census Operations, 1995.

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