APA引文

Hudd, E. (2021). The economic impact of COVID-19. Core Library.

Chicago Style (17th ed.) Citation

Hudd, Emily. The Economic Impact of COVID-19. Minneapolis, Minnesota: Core Library, 2021.

MLA引文

Hudd, Emily. The Economic Impact of COVID-19. Core Library, 2021.

警告：這些引文格式不一定是100％准確.