APA

National Cancer Institute (U.S.), . (1974). Further observations human syncytial virus from nasopharyngeal carcinoma. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 1974. Further observations human syncytial virus from nasopharyngeal carcinoma. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (1974). Further observations human syncytial virus from nasopharyngeal carcinoma. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Further observations human syncytial virus from nasopharyngeal carcinoma. [Washington, D.C: . 1974.