Cita APA (7a ed.)

Mammen, K. (1942). Kerala culture: Its genesis and early history. City Press.

Cita Chicago Style (17a ed.)

Mammen, K. Kerala Culture: Its Genesis and Early History. Trivandrum: City Press, 1942.

Cita MLA (8a ed.)

Mammen, K. Kerala Culture: Its Genesis and Early History. City Press, 1942.