APA (7th ed.) Citation

Liu, E. C. (2020). COVID-19: Current travel restrictions and quarantine measures ([Library of Congress public edition].). Congressional Research Service.

Chicago Style (17th ed.) Citation

Liu, Edward C. COVID-19: Current Travel Restrictions and Quarantine Measures. [Library of Congress public edition]. [Washington, D.C.]: Congressional Research Service, 2020.

MLA (9th ed.) Citation

Liu, Edward C. COVID-19: Current Travel Restrictions and Quarantine Measures. [Library of Congress public edition]. Congressional Research Service, 2020.