APA Style

Kusumaratna, R. et al (2011). Health services needs of older persons: emerging findings from Tarakan City, East Kalimantan . Jakarta: Trisakti Universiti Press.

MLA Style

Kusumaratna, Rina. et al. "Health services needs of older persons: emerging findings from Tarakan City, East Kalimantan". Jakarta: Trisakti Universiti Press, 2011. Text.