APA

National Cancer Institute (U.S.), . (1975). Sarcoma in a hamster inoculated with BK virus, a human papovavirus. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 1975. Sarcoma in a hamster inoculated with BK virus, a human papovavirus. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (1975). Sarcoma in a hamster inoculated with BK virus, a human papovavirus. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Sarcoma in a hamster inoculated with BK virus, a human papovavirus. [Washington, D.C: . 1975.