APA

National Cancer Institute (U.S.), . (19). Protective effects of BCG and other bacteria against neoplasia in mice and hamsters. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 19. Protective effects of BCG and other bacteria against neoplasia in mice and hamsters. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (19). Protective effects of BCG and other bacteria against neoplasia in mice and hamsters. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Protective effects of BCG and other bacteria against neoplasia in mice and hamsters. [Washington, D.C: . 19.