APA aipamena

Maggio-Hall, L. A., & Escalante-Semerena, J. C. (1999). In vitro synthesis of the nucleotide loop of cobalamin by Salmonella typhimurium enzymes. Proc Natl Acad Sci U S A.

Chicago Style aipamena

Maggio-Hall, Lori A., and Jorge C. Escalante-Semerena. "In Vitro Synthesis of the Nucleotide Loop of Cobalamin By Salmonella Typhimurium Enzymes." Proc Natl Acad Sci U S A 1999.

MLA aipamena

Maggio-Hall, Lori A., and Jorge C. Escalante-Semerena. "In Vitro Synthesis of the Nucleotide Loop of Cobalamin By Salmonella Typhimurium Enzymes." Proc Natl Acad Sci U S A 1999.