APA

National Cancer Institute (U.S.), . (1973). Heterotransplantation of human malignant tumors in "nude" thymusless mice: breeding and maintenance [sic] of "nude" mice. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 1973. Heterotransplantation of human malignant tumors in "nude" thymusless mice: breeding and maintenance [sic] of "nude" mice. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (1973). Heterotransplantation of human malignant tumors in "nude" thymusless mice: breeding and maintenance [sic] of "nude" mice. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Heterotransplantation of human malignant tumors in "nude" thymusless mice: breeding and maintenance [sic] of "nude" mice. [Washington, D.C: . 1973.