APA-viite (7. p.)
Portugal, F. H., & Cohen, J. S. (1977). A Century of DNA: A history of the discovery of the structure and function of the genetic substance. Massachusetts Inst. of Technology Press.
Chicago-viite (17. p.)
Portugal, Franklin H., ja Jack S. Cohen. A Century of DNA: A History of the Discovery of the Structure and Function of the Genetic Substance. Cambridge: Massachusetts Inst. of Technology Press, 1977.
MLA-viite (9. p.)
Portugal, Franklin H., ja Jack S. Cohen. A Century of DNA: A History of the Discovery of the Structure and Function of the Genetic Substance. Massachusetts Inst. of Technology Press, 1977.
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