APA

National Cancer Institute (U.S.), . (197). Index of research project areas - obj 4. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 197. Index of research project areas - obj 4. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (197). Index of research project areas - obj 4. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Index of research project areas - obj 4. [Washington, D.C: . 197.