See this example properly formatted in the QUT Cite tool.
Standard in-text citation examples are in Getting started - In-text citation.
Artist. (Year). Title [Format/Description]. Gallery, City, ST, Country. http://xxx.xxx.xx
Kusama, Y. (2002). Narcissus garden [Floating mirrored ball installation]. Queensland Art Gallery, Brisbane, Qld, Australia.
Murakami, T. (1994). And then, and then and then and then and then [Painting]. Queensland Art Gallery Brisbane, Qld, Australia. https://www.qagoma.qld.gov.au/__data/assets/image/0019/107290/web-template-e_QAG_Watermall_installationview_20170926_nharth_021.jpg
Use this template if you have viewed the original artwork in a gallery or gallery website.
Omit the URL if viewed in person.
For art viewed in another publication (e.g. a book, article or website) use Creative works - Image.
The state abbreviation is used for the USA and Australia.