(2021). Methotrexate: COVID-19: case report. Reactions Weekly.
Citação norma Chicago"Methotrexate: COVID-19: Case Report." Reactions Weekly 2021.
MLA引文"Methotrexate: COVID-19: Case Report." Reactions Weekly 2021.
警告：這些引文格式不一定是100％准確.
APA引文