APA

National Cancer Institute (U.S.), . (1973). Histopathology of tumor regression after intralesional injection of mycobacterium bovis: IV, development of immunity to tumor cells and BCG 1,2. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 1973. Histopathology of tumor regression after intralesional injection of mycobacterium bovis: IV, development of immunity to tumor cells and BCG 1,2. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (1973). Histopathology of tumor regression after intralesional injection of mycobacterium bovis: IV, development of immunity to tumor cells and BCG 1,2. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Histopathology of tumor regression after intralesional injection of mycobacterium bovis: IV, development of immunity to tumor cells and BCG 1,2. [Washington, D.C: . 1973.