Cita APA

Palmer, J., Caul, E. O., & Roome, A. P. (1987). Not all travellers need immunoglobulin for hepatitis A.

Chicago Style Citation

Palmer, J., E O. Caul, i A P. Roome. Not All Travellers Need Immunoglobulin for Hepatitis A. 1987.

Cita MLA

Palmer, J., E O. Caul, i A P. Roome. Not All Travellers Need Immunoglobulin for Hepatitis A. 1987.