Structure-phytoactivity relationships in the penicillins.

MLA

Nickell, L. G., and W. D. Celmer. “Structure-Phytoactivity Relationships in the Penicillins.” Nature, vol. 206, no. 981, Apr. 1965, pp. 302–04. EBSCOhost, https://doi.org/10.1038/206302a0.

APA

Nickell, L. G., & Celmer, W. D. (1965). Structure-phytoactivity relationships in the penicillins. Nature, 206(981), 302–304. https://doi.org/10.1038/206302a0

Chicago

Nickell, L G, and W D Celmer. 1965. “Structure-Phytoactivity Relationships in the Penicillins.” Nature 206 (981): 302–4. doi:10.1038/206302a0.