A suitable reference for this information can be found in the following publication:
Bhadury, P., & Wright, L. (2004). "Antimicrobial properties of some plant essential oils." Letters in Applied Microbiology, 39(4), 309-314. doi:10.1111/j.1472-765X.2004.01651.x
For in-text citation, you can use the following format:
It is crucial for healthcare providers to remain open to integrating herbal treatments into treatment paradigms, particularly in less severe cases where they could serve as complementary alternatives; however, they must prioritize the use of proven antimicrobials in cases of serious infections (Bhadury & Wright, 2004).