You could use academic referencing style, e.g Harvard style "Mozilla (2021) Common Voice. Available at https://commonvoice.mozilla.org/ (Accessed: 15th September 2021)"
Ni nga shumisa tshi taela tsha academic ni tshi ita dzi referentsi, sa tsumbo Harvard style "Mozilla (2021) Common Voice. Zwi wanala kha https://commonvoice.mozilla.org/ (Accessed: 15th Khumbvumedzi 2021)"