Beta-lactamase (Enterobacter species).

MLA

Ross, G. W. “Beta-Lactamase (Enterobacter Species).” Methods in Enzymology, vol. 43, 1975, pp. 678–87. EBSCOhost, https://doi.org/10.1016/0076-6879(75)43133-0.

APA

Ross, G. W. (1975). Beta-lactamase (Enterobacter species). Methods in Enzymology, 43, 678–687. https://doi.org/10.1016/0076-6879(75)43133-0

Chicago

Ross, G W. 1975. “Beta-Lactamase (Enterobacter Species).” Methods in Enzymology 43: 678–87. doi:10.1016/0076-6879(75)43133-0.