APA (7th ed.) Citation

Batalla, A., Concepcion, M., & Sullivan, W. H. (1970). Focus on population and the Philippines. s.n.].

Chicago Style (17th ed.) Citation

Batalla, Apolonio, Mercedes Concepcion, and William H. Sullivan. Focus on Population and the Philippines. [S.l: s.n.], 1970.

MLA (9th ed.) Citation

Batalla, Apolonio, et al. Focus on Population and the Philippines. s.n.], 1970.