See this example properly formatted in the QUT Cite tool.
Standard in-text citation examples are in Getting started - In-text citation.
Author AA, Author BB, cartographers. Title [type]. Place of publication: Publisher; Year. Extent: scale; dimensions; colour/black and white.
Queensland Department of Mapping and Surveying. Undullah [topographic map]. Brisbane (QLD): Queensland Department of Mapping and Surveying; 1984. 1 sheet: 1:25 000; 60 x 63 cm.; colour.
Author AA, Author BB, cartographers. Title [format]. Place of publication: Publisher; Year. Extent: scale; colour/black and white. Available from: http://www.xxxx.xxx.xx
Australian Government, Geoscience Australia, cartographers. Surface Geology of Australia [Internet]. Canberra (ACT): Geoscience Australia, Department of Resources, Energy and Tourism; c2012 [cited 2018 Feb 1]. 1 screen: 1:15 000 000; colour. Available from: https://d28rz98at9flks.cloudfront.net/73360/Geology_A3.jpg
If the title of the map does not include the geographic area covered by the map, place the name of the area after the title in square brackets e.g. District population per health facility [Kabul] [map].