See this example properly formatted in the QUT Cite tool.
If you are simply referring to a map you can use a standard in-text citation examples as in Getting started - In-text citation.
Any reproduced map must reference the original author and copyright holder. Provide this information below the figure.
Note. From (OR Adapted from) Title, by A. A. Author, Year, Source.
Note. From (OR Adapted from) Title, by A. A. Author, Year (https://xxxxxx.xxx)
Note. From Queensland 1: 25 000 series topographic map. 9543-22 Amity [Topographic map], by Department of Mapping and Surveying, 1986, Queensland Department of Mapping.
Note. Adapted from Ban Ban Springs [Topographic map], by QTopo, 2021 (https://apps.information.qld.gov.au/data/v2/QTopo/StaticMap/QTopo/25k/9246-13/pdf)
Map Company. (Year). Title [Map description]. Publisher.
Department of Mapping and Surveying. (1986). Queensland 1: 25 000 series topographic map. 9543-22 Amity [Topographic map]. Queensland Department of Mapping.
Map Company. (Year). Title [Map description]. Publisher. https://xxxxxx.xxx
Horton, D. (1996). The AIATSIS map of Indigenous Australia [Map]. Sinclair Knight Merz. Retrieved from https://aiatsis.gov.au/explore/map-indigenous-australia
QTopo. (2021). Ban Ban Springs [Topographic map]. Queensland Government, QTopo. https://apps.information.qld.gov.au/data/v2/QTopo/StaticMap/QTopo/25k/9246-13/pdf
If the cartographer is indicated put that name in the first position in the format: Author, A. A.
If the map has no title provide a description of the map in square brackets.