Wade, N. (1998). DNA breakthrough offers hope for syphilis vaccine. Today.
Chicago (17e ed.) BronvermeldingWade, Nicholas. "DNA Breakthrough Offers Hope for Syphilis Vaccine." Today 1998.
MLA (9e ed.) BronvermeldingWade, Nicholas. "DNA Breakthrough Offers Hope for Syphilis Vaccine." Today, 1998.
Let op: Deze citaties zijn niet altijd 100% accuraat.