APA

National Cancer Institute (U.S.), . (1974). Studies on specificiyt [sic] of cell-mediated immunity to human tumors. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 1974. Studies on specificiyt [sic] of cell-mediated immunity to human tumors. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (1974). Studies on specificiyt [sic] of cell-mediated immunity to human tumors. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Studies on specificiyt [sic] of cell-mediated immunity to human tumors. [Washington, D.C: . 1974.