APA

National Cancer Institute (U.S.), . (1974). 8-azaguanine-resistance melanoma cells in vitro and in vivo. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 1974. 8-azaguanine-resistance melanoma cells in vitro and in vivo. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (1974). 8-azaguanine-resistance melanoma cells in vitro and in vivo. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . 8-azaguanine-resistance melanoma cells in vitro and in vivo. [Washington, D.C: . 1974.