Examples of References generated in ACS (American Chemical Society) format from Zotero:
(1) Lamprecht, C.; Graus, M.; Striednig, M.; Stichaner, M.; Karl, T. Decoupling of Urban CO2 and Air Pollutant Emission Reductions during the European SARS-CoV-2 Lockdown. Atmospheric Chemistry and Physics 2021, 21 (4), 3091–3102. https://doi.org/10.5194/acp-21-3091-2021.
(2) Shi, T.; Sridhar, D.; Zeng, L.; Chen, A. Recent Advances in Catalyst Design for the Electrochemical and Photoelectrochemical Conversion of Methane to Value-Added Products. Electrochemistry Communications 2022, 135, 107220. https://doi.org/10.1016/j.elecom.2022.107220.
More examples of ACS formatted References can be found in ACS publications, such as ACS Medicinal Chemistry Letters. Also see The ACS Style Guide.