APA

National Cancer Institute (U.S.), . (1973). Question: do herpesviruses cause cancer?: answer: of course they do. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 1973. Question: do herpesviruses cause cancer?: answer: of course they do. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (1973). Question: do herpesviruses cause cancer?: answer: of course they do. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Question: do herpesviruses cause cancer?: answer: of course they do. [Washington, D.C: . 1973.