APA način citiranja

Mullan, P. C., Venn, A. M., & Schmidt, J. M. (2021). COVID-19 croup: Solitary infections and a coinfection case – author reply to a letter. Am J Emerg Med.

Čikaški stil citiranja

Mullan, Paul C., April M.R Venn, i James M. Schmidt. "COVID-19 Croup: Solitary Infections and a Coinfection Case – Author Reply to a Letter." Am J Emerg Med 2021.

MLA način citiranja

Mullan, Paul C., April M.R Venn, i James M. Schmidt. "COVID-19 Croup: Solitary Infections and a Coinfection Case – Author Reply to a Letter." Am J Emerg Med 2021.