Smith, P. C., Virina, N., & Zablan, Z. C. (1975). Preliminary estimates of national-level mortality, 1960, 1968 and 1973, and mortality differentials around 1970. University of the Philippines System, Population Institute.
Chicago Style (17th ed.) CitationSmith, Peter Colin, Noel Virina, and Zelda C. Zablan. Preliminary Estimates of National-level Mortality, 1960, 1968 and 1973, and Mortality Differentials Around 1970. [Manila]: University of the Philippines System, Population Institute, 1975.
MLA (9th ed.) CitationSmith, Peter Colin, et al. Preliminary Estimates of National-level Mortality, 1960, 1968 and 1973, and Mortality Differentials Around 1970. University of the Philippines System, Population Institute, 1975.
Warning: These citations may not always be 100% accurate.