APA

United States, . (19). Removal of coxsackie & bacterial viruses in water by flocculation. [Washington, D.C: .

Chicago

United States, . 19. Removal of coxsackie & bacterial viruses in water by flocculation. [Washington, D.C: .

Harvard

United States, . (19). Removal of coxsackie & bacterial viruses in water by flocculation. [Washington, D.C: .

MLA

United States, . Removal of coxsackie & bacterial viruses in water by flocculation. [Washington, D.C: . 19.