APA

National Cancer Institute (U.S.), . (1975). [Index of research project areas] objective 4: develop means to prevent progression of precancerous cells to cancers, development of cancers from precancerous conditions, and spread of cancers from primary sites. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 1975. [Index of research project areas] objective 4: develop means to prevent progression of precancerous cells to cancers, development of cancers from precancerous conditions, and spread of cancers from primary sites. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (1975). [Index of research project areas] objective 4: develop means to prevent progression of precancerous cells to cancers, development of cancers from precancerous conditions, and spread of cancers from primary sites. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . [Index of research project areas] objective 4: develop means to prevent progression of precancerous cells to cancers, development of cancers from precancerous conditions, and spread of cancers from primary sites. [Washington, D.C: . 1975.