APA

National Cancer Institute (U.S.), . (1974). Inhalation studies of nickel sulfide in pulmonary carincarcinogenesis [sic] [of] rats. [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 1974. Inhalation studies of nickel sulfide in pulmonary carincarcinogenesis [sic] [of] rats. [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (1974). Inhalation studies of nickel sulfide in pulmonary carincarcinogenesis [sic] [of] rats. [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Inhalation studies of nickel sulfide in pulmonary carincarcinogenesis [sic] [of] rats. [Washington, D.C: . 1974.