Cita APA

Brown, D., Cropper, L., Lees, D., & Gardner, S. (1988). Prophylaxis against B virus infection?

Chicago Style Citation

Brown, D., L. Cropper, D. Lees, i S. Gardner. Prophylaxis against B Virus Infection? 1988.

Cita MLA

Brown, D., L. Cropper, D. Lees, i S. Gardner. Prophylaxis against B Virus Infection? 1988.