Cita APA (7a ed.)
Merck, E. (1971). Nucleobases,nucleosides, nucleotides,sugar phosphates. s.e.
Cita Chicago Style (17a ed.)
Merck, E. Nucleobases,nucleosides, Nucleotides,sugar Phosphates. Alemania, Rep. Federal: s.e, 1971.
Cita MLA (9a ed.)
Merck, E. Nucleobases,nucleosides, Nucleotides,sugar Phosphates. s.e, 1971.
Precaución: Estas citas no son 100% exactas.