APA (7th ed.) Citation

EB, P. (2020). Convalescent plasma is ineffective for covid-19. BMJ (Clinical research ed.), 371, m4072. https://doi.org/10.1136/bmj.m4072

Chicago Style (17th ed.) Citation

EB, Pathak. "Convalescent Plasma Is Ineffective for Covid-19." BMJ (Clinical Research Ed.) 371 (2020): m4072. https://doi.org/10.1136/bmj.m4072.

MLA (9th ed.) Citation

EB, Pathak. "Convalescent Plasma Is Ineffective for Covid-19." BMJ (Clinical Research Ed.), vol. 371, 2020, p. m4072, https://doi.org/10.1136/bmj.m4072.