To cite an IBIS-AVIS whole as concept:
A.; Deomurari, K.; Matieda, M.; Jani, & KaPatel, J.; IBIS-AVIS, retrived from Accessed 15 Jan 2014.
To cite an IBIS-AVIS Page:
For a single species we recommend you to cite species profile page. As with most web pages, you can find a list of authors and editors in the left slide top: