APA (7th ed.) Citation

GP, B., V, F., & AM, H. (1981). Comparative in vitro study in new cephalosporins. Antimicrobial agents and chemotherapy, 20(2), 226. https://doi.org/10.1128/AAC.20.2.226

Chicago Style (17th ed.) Citation

GP, Bodey, Fainstein V, and Hinkle AM. "Comparative in Vitro Study in New Cephalosporins." Antimicrobial Agents and Chemotherapy 20, no. 2 (1981): 226. https://doi.org/10.1128/AAC.20.2.226.

MLA (9th ed.) Citation

GP, Bodey, et al. "Comparative in Vitro Study in New Cephalosporins." Antimicrobial Agents and Chemotherapy, vol. 20, no. 2, 1981, p. 226, https://doi.org/10.1128/AAC.20.2.226.