When referencing artwork in a museum/gallery, your reference list needs to include:
Harvard referencing example:
Green, R 2009, Vernon, linocut, exhibited at Deakin University Art Gallery, Melbourne Burwood Campus, viewed 27 October 2010.
If an artwork is viewed within an exhibition, add the title of the exhibition and the exhibition dates.
Wilingarr, M 1937, Ngarra minytji (Ngarra ceremony design), natural pigments on bark, Transformations: early bark paintings from Arnhem Land, held at the Ian Potter Museum of Art, University of Melbourne, 13 November 2013 – 23 February 2014.
Information sourced and adapted from Deakin University
Icons sourced from Freepik