Use the ICLC-10 style (download here) for generating citations and the bibliography with Zotero for your ICLC-10 submissions.
The ICLC-10 Zotero style is heavily based on the Euralex 2022 (Mannheim) Zotero style authored by David Lindemann which itself is based on Cite Them Right 11th edition - Harvard, by Patrick O'Brien.
The ICLC-10 Zotero style is licensed under the Creative Commons Attribution-ShareAlike 3.0 License.