APA (7th ed.) Citation

Nikolova, A., Nikolova, A., Milanov, I., Milanov, I., Kmetska, K., & Kmetska, K. Prevalence and incidence of multiple sclerosis in Bulgaria. Frontiers Media S.A.

Chicago Style (17th ed.) Citation

Nikolova, Antonia, Antonia Nikolova, Ivan Milanov, Ivan Milanov, Ksenia Kmetska, and Ksenia Kmetska. Prevalence and Incidence of Multiple Sclerosis in Bulgaria. Frontiers Media S.A.

MLA (9th ed.) Citation

Nikolova, Antonia, et al. Prevalence and Incidence of Multiple Sclerosis in Bulgaria. Frontiers Media S.A.