APA

National Cancer Institute (U.S.), . (197). Carcinogenic effects of N-nitrosomorphine and N-nitrisopiperinddine [sic] on European hamster (cricetus cricetur). [Washington, D.C: .

Chicago

National Cancer Institute (U.S.), . 197. Carcinogenic effects of N-nitrosomorphine and N-nitrisopiperinddine [sic] on European hamster (cricetus cricetur). [Washington, D.C: .

Harvard

National Cancer Institute (U.S.), . (197). Carcinogenic effects of N-nitrosomorphine and N-nitrisopiperinddine [sic] on European hamster (cricetus cricetur). [Washington, D.C: .

MLA

National Cancer Institute (U.S.), . Carcinogenic effects of N-nitrosomorphine and N-nitrisopiperinddine [sic] on European hamster (cricetus cricetur). [Washington, D.C: . 197.