APA Style

al, E., Joesworo, . (1976). Preliminary report on health practices/contraceptive use survey . Surabaya: Puslitbang Yantekkes, Badan Litbangkes.

MLA Style

al, Et., Joesworo, . "Preliminary report on health practices/contraceptive use survey". Surabaya: Puslitbang Yantekkes, Badan Litbangkes, 1976. print.