APA

National Cancer Institute (U.S.), . (1973). Objective 4, develop means prevent progression of precancerous cells to cancer, development of cancers from precancerous conditions, and spread of cancers from primary sites. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 1973. Objective 4, develop means prevent progression of precancerous cells to cancer, development of cancers from precancerous conditions, and spread of cancers from primary sites. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (1973). Objective 4, develop means prevent progression of precancerous cells to cancer, development of cancers from precancerous conditions, and spread of cancers from primary sites. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Objective 4, develop means prevent progression of precancerous cells to cancer, development of cancers from precancerous conditions, and spread of cancers from primary sites. [Washington, D.C: . 1973.