APA引文

Jacobson, S., & Jokela, J. (2020). Non–COVID-19 excess deaths by age and gender in the United States during the first three months of the COVID-19 pandemic. Public Health.

Citação norma Chicago

Jacobson, S.H., and J.A Jokela. "Non–COVID-19 Excess Deaths By Age and Gender in the United States During the First Three Months of the COVID-19 Pandemic." Public Health 2020.

MLA引文

Jacobson, S.H., and J.A Jokela. "Non–COVID-19 Excess Deaths By Age and Gender in the United States During the First Three Months of the COVID-19 Pandemic." Public Health 2020.

警告:這些引文格式不一定是100%准確.