APA Style

al, E., Lubis, F. (1973). The traditional midwife in the Kecamatan Serpong : The Dukun Bayi Survey June 1973 . Jakarta: Universitas Indonesia, Badan Litbangkes.

MLA Style

al, Et., Lubis, Firman. "The traditional midwife in the Kecamatan Serpong : The Dukun Bayi Survey June 1973". Jakarta: Universitas Indonesia, Badan Litbangkes, 1973. print.