APA Style

al, E., Nio, O, K. (1983). More evidence on the presence of an unknown toxic substance (S) in the Sagabean. . Bangkok: Asian congress of nutrition, ke-4.

MLA Style

al, Et., Nio, Oey, Kam. "More evidence on the presence of an unknown toxic substance (S) in the Sagabean.". Bangkok: Asian congress of nutrition, ke-4, 1983. print.