APA Style

Purnama, D, I. et al (2010). Evaluation of Obsteric Emergency Referral Cases at Dr. Cipto Mangunkusumo Hospital January-December 2008 . Jakarta: Indonesian Society of Obstetrics and Gynecology.

MLA Style

Purnama, Dian, Indah. et al. "Evaluation of Obsteric Emergency Referral Cases at Dr. Cipto Mangunkusumo Hospital January-December 2008". Jakarta: Indonesian Society of Obstetrics and Gynecology, 2010. Text.