APA

National Cancer Institute (U.S.), . (197). Studies on the basis for diversity and time of appearance of antigens in chemically induced tumors. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 197. Studies on the basis for diversity and time of appearance of antigens in chemically induced tumors. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (197). Studies on the basis for diversity and time of appearance of antigens in chemically induced tumors. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Studies on the basis for diversity and time of appearance of antigens in chemically induced tumors. [Washington, D.C: . 197.