GW, K., SW, M., & KM, S. (1974). Pyrroles and related compounds. 30. Cyclisation of porphyrin beta-keto-esters to phaeoporphyrins. Journal of the Chemical Society. Perkin transactions 1, 4, 527. https://doi.org/10.1039/p19740000527
Chicago Style (17th ed.) CitationGW, Kenner, McCombie SW, and Smith KM. "Pyrroles and Related Compounds. 30. Cyclisation of Porphyrin Beta-keto-esters to Phaeoporphyrins." Journal of the Chemical Society. Perkin Transactions 1 4 (1974): 527. https://doi.org/10.1039/p19740000527.
MLA (9th ed.) CitationGW, Kenner, et al. "Pyrroles and Related Compounds. 30. Cyclisation of Porphyrin Beta-keto-esters to Phaeoporphyrins." Journal of the Chemical Society. Perkin Transactions 1, vol. 4, 1974, p. 527, https://doi.org/10.1039/p19740000527.