Cita APA (7a ed.)

Philippines (Republic). Bureau of the Census and Statistics. (1970). 1970 census of population and housing - Bulacan. [s.n.

Cita Chicago Style (17a ed.)

Philippines (Republic). Bureau of the Census and Statistics. 1970 Census of Population and Housing - Bulacan. Manila: [s.n, 1970.

Cita MLA (9a ed.)

Philippines (Republic). Bureau of the Census and Statistics. 1970 Census of Population and Housing - Bulacan. [s.n, 1970.