APA aipamena

Berg, P., & Singer, M. F. (1995). The recombinant DNA controversy: Twenty years later.

Chicago Style aipamena

Berg, P., and M F. Singer. The Recombinant DNA Controversy: Twenty Years Later. 1995.

MLA aipamena

Berg, P., and M F. Singer. The Recombinant DNA Controversy: Twenty Years Later. 1995.