APA

National Cancer Institute (U.S.), . (1974). Comparative frequency of dominant and recessive markers for drug resistance in Chinese hamster cells. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 1974. Comparative frequency of dominant and recessive markers for drug resistance in Chinese hamster cells. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (1974). Comparative frequency of dominant and recessive markers for drug resistance in Chinese hamster cells. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Comparative frequency of dominant and recessive markers for drug resistance in Chinese hamster cells. [Washington, D.C: . 1974.