APA

Marra E., Kroone N., Freriks E., van Dam C. L., Alberts C. J., Hogewoning A. A., Bruisten S., van Dijk A., Kroone M. M., Waterboer T. & Schim van der Loeff M. F. (20190916). Vaginal and anal human papillomavirus infection and seropositivity among female sex workers in Amsterdam, the Netherlands: Prevalence, concordance and risk factors. : The Journal of infection.

Chicago

Marra E, Kroone N, Freriks E, van Dam C L, Alberts C J, Hogewoning A A, Bruisten S, van Dijk A, Kroone M M, Waterboer T and Schim van der Loeff M F. 20190916. Vaginal and anal human papillomavirus infection and seropositivity among female sex workers in Amsterdam, the Netherlands: Prevalence, concordance and risk factors. : The Journal of infection.

Harvard

Marra E., Kroone N., Freriks E., van Dam C. L., Alberts C. J., Hogewoning A. A., Bruisten S., van Dijk A., Kroone M. M., Waterboer T. and Schim van der Loeff M. F. (20190916). Vaginal and anal human papillomavirus infection and seropositivity among female sex workers in Amsterdam, the Netherlands: Prevalence, concordance and risk factors. : The Journal of infection.

MLA

Marra E, Kroone N, Freriks E, van Dam C L, Alberts C J, Hogewoning A A, Bruisten S, van Dijk A, Kroone M M, Waterboer T and Schim van der Loeff M F. Vaginal and anal human papillomavirus infection and seropositivity among female sex workers in Amsterdam, the Netherlands: Prevalence, concordance and risk factors. : The Journal of infection. 20190916.