Cita APA

Lee, J. W., Melgaard, B., Hull, H. F., Barakamfitiye, D., & Okwo-Bele, J. M. (1998). Ethical dilemmas in polio eradication.

Chicago Style Citation

Lee, J W., B. Melgaard, H F. Hull, D. Barakamfitiye, i J M. Okwo-Bele. Ethical Dilemmas in Polio Eradication. 1998.

Cita MLA

Lee, J W., et al. Ethical Dilemmas in Polio Eradication. 1998.