Cite
Biosynthesis of vitamin B12: identity of fragment extruded during ring contraction to the corrin macrocycle.
MLA
Battersby, A. R., et al. “Biosynthesis of Vitamin B12: Identity of Fragment Extruded during Ring Contraction to the Corrin Macrocycle.” Proceedings of the National Academy of Sciences of the United States of America, vol. 78, no. 1, Jan. 1981, pp. 13–15. EBSCOhost, https://doi.org/10.1073/pnas.78.1.13.
APA
Battersby, A. R., Bushell, M. J., Jones, C., Lewis, N. G., & Pfenninger, A. (1981). Biosynthesis of vitamin B12: identity of fragment extruded during ring contraction to the corrin macrocycle. Proceedings of the National Academy of Sciences of the United States of America, 78(1), 13–15. https://doi.org/10.1073/pnas.78.1.13
Chicago
Battersby, A R, M J Bushell, C Jones, N G Lewis, and A Pfenninger. 1981. “Biosynthesis of Vitamin B12: Identity of Fragment Extruded during Ring Contraction to the Corrin Macrocycle.” Proceedings of the National Academy of Sciences of the United States of America 78 (1): 13–15. doi:10.1073/pnas.78.1.13.