APA Style

Tjokronegoro, A., Himawan, S. (1985). The 7th Asia Pacific Cancer Conference, Jakarta 17-21 September 1985 . Jakarta: Darya-Varia Laboratoria.

MLA Style

Tjokronegoro, Arjatmo., Himawan, Sutisna. "The 7th Asia Pacific Cancer Conference, Jakarta 17-21 September 1985". Jakarta: Darya-Varia Laboratoria, 1985. print.