APA

United States, . (2020). Guidance on preparing workplaces for COVID-19. [Washington, D.C.]: U.S. Department of Labor.

Chicago

United States, . 2020. Guidance on preparing workplaces for COVID-19. [Washington, D.C.]: U.S. Department of Labor.

Harvard

United States, . (2020). Guidance on preparing workplaces for COVID-19. [Washington, D.C.]: U.S. Department of Labor.

MLA

United States, . Guidance on preparing workplaces for COVID-19. [Washington, D.C.]: U.S. Department of Labor. 2020.