Cite
Origin of replication of pBR345 plasmid DNA.
MLA
Bolivar, F., et al. “Origin of Replication of PBR345 Plasmid DNA.” Proceedings of the National Academy of Sciences of the United States of America, vol. 74, no. 12, Dec. 1977, pp. 5265–69. EBSCOhost, https://doi.org/10.1073/pnas.74.12.5265.
APA
Bolivar, F., Betlach, M. C., Heyneker, H. L., Shine, J., Rodriguez, R. L., & Boyer, H. W. (1977). Origin of replication of pBR345 plasmid DNA. Proceedings of the National Academy of Sciences of the United States of America, 74(12), 5265–5269. https://doi.org/10.1073/pnas.74.12.5265
Chicago
Bolivar, F, M C Betlach, H L Heyneker, J Shine, R L Rodriguez, and H W Boyer. 1977. “Origin of Replication of PBR345 Plasmid DNA.” Proceedings of the National Academy of Sciences of the United States of America 74 (12): 5265–69. doi:10.1073/pnas.74.12.5265.