APA Style

Wei, L. et al (1997). High levels of natural radiation 1996 : Radiation dose and health effects, Proceedings of the 4th international conference on high levels of natural radiation held in Beijing, China on October 21 to 25, 1996 . Amsteram: Elservier.

MLA Style

Wei, Luxin. et al. "High levels of natural radiation 1996 : Radiation dose and health effects, Proceedings of the 4th international conference on high levels of natural radiation held in Beijing, China on October 21 to 25, 1996". Amsteram: Elservier, 1997. Buku.