APA

National Cancer Institute (U.S.), . (1981). Monitoring guidelines for the conduct of Carcinogen bioassays. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 1981. Monitoring guidelines for the conduct of Carcinogen bioassays. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (1981). Monitoring guidelines for the conduct of Carcinogen bioassays. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Monitoring guidelines for the conduct of Carcinogen bioassays. [Washington, D.C: . 1981.