APA (7th ed.) Citation

India. Director of Census Operations, Kerala, & Narayanan, K. (1973). District census handbook: Series 9: Kerala.

Chicago Style (17th ed.) Citation

India. Director of Census Operations, Kerala, and K. Narayanan. District Census Handbook: Series 9: Kerala. [Trivandrum], 1973.

MLA (9th ed.) Citation

India. Director of Census Operations, Kerala, and K. Narayanan. District Census Handbook: Series 9: Kerala. 1973.