AMA
Riga O, Korsunov V, Penkov A, et al. Severe and critical COVID-19 in children: a simple single-center, cross-sectional study. Pediatria Polska - Polish Journal of Paediatrics. 2021;96(4):231-237. doi:10.5114/polp.2021.112396.
APA
Riga, O., Korsunov, V., Penkov, A., Michaylova, O., Urivaeva, M., & Ischchenko, T. et al. (2021). Severe and critical COVID-19 in children: a simple single-center, cross-sectional study. Pediatria Polska - Polish Journal of Paediatrics, 96(4), 231-237. https://doi.org/10.5114/polp.2021.112396
Chicago
Riga, Olena, Vladimyr Korsunov, Andriy Penkov, Olexandra Michaylova, Marina Urivaeva, Tetyana Ischchenko, and Marine Georgiyants. 2021. "Severe and critical COVID-19 in children: a simple single-center, cross-sectional study". Pediatria Polska - Polish Journal of Paediatrics 96 (4): 231-237. doi:10.5114/polp.2021.112396.
Harvard
Riga, O., Korsunov, V., Penkov, A., Michaylova, O., Urivaeva, M., Ischchenko, T., and Georgiyants, M. (2021). Severe and critical COVID-19 in children: a simple single-center, cross-sectional study. Pediatria Polska - Polish Journal of Paediatrics, 96(4), pp.231-237. https://doi.org/10.5114/polp.2021.112396
MLA
Riga, Olena et al. "Severe and critical COVID-19 in children: a simple single-center, cross-sectional study." Pediatria Polska - Polish Journal of Paediatrics, vol. 96, no. 4, 2021, pp. 231-237. doi:10.5114/polp.2021.112396.
Vancouver
Riga O, Korsunov V, Penkov A, Michaylova O, Urivaeva M, Ischchenko T et al. Severe and critical COVID-19 in children: a simple single-center, cross-sectional study. Pediatria Polska - Polish Journal of Paediatrics. 2021;96(4):231-237. doi:10.5114/polp.2021.112396.
