See this example properly formatted in the QUT Cite tool.
Standard in-text citation examples are in Getting started - In-text citation.
Author. Year. Title. Scale. Month Day, Year. http://www.xxxxxxxx.
Google Maps. 2018. Map of Brisbane. Accessed January 10, 2018. https://www.google.com.au/maps/place/Brisbane+City+QLD+4000/@-27.4704263,153.0142954,15z/data=!3m1!4b1!4m5!3m4!1s0x6b915a045cf620bb:0x502a35af3de84c0!8m2!3d-27.4697707!4d153.0251235.
Brisbane City Council. 2015. Brisbane Flood Zones. 1:72,224. Accessed July 19, 2017. https://app-ebimap2.aamgeocloud.com/html5viewer/index.html.
Nearmap. 2005. Mount Isa City QLD 4825, Australia. 1:200. Last updated November 25, 2005. http://maps.au.nearmap.com/.
If there is no title provided for the map, provide a brief description in its place.
If the scale and size of the map are not provided, leave these elements out of the reference.
If there is a date provided, give the associated description provided, e.g. 'updated', 'revised' or 'last modified'. If there is no date given in the source, substitute the date you accessed the map, preceded by the word 'Accessed'.