APA

National Cancer Institute (U.S.), . (1975). Working group report, National Cancer Program Planning Conference, research objective 1: develop means reduce effectiveness of external agents for producing cancer. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 1975. Working group report, National Cancer Program Planning Conference, research objective 1: develop means reduce effectiveness of external agents for producing cancer. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (1975). Working group report, National Cancer Program Planning Conference, research objective 1: develop means reduce effectiveness of external agents for producing cancer. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Working group report, National Cancer Program Planning Conference, research objective 1: develop means reduce effectiveness of external agents for producing cancer. [Washington, D.C: . 1975.