Almost all data from the LINZ Data Service is provided under the Creative Commons Attribution 3.0 New Zealand licence.
This means you are free to use, reuse and share data as long as you attribute the work to LINZ as the original source of the data.
Learn more about the Creative Commons Attribution 3.0 New Zealand licence.
When attributing LINZ you need to include a few details about the original work (data) and license. This includes, of course, crediting the data source as Land Information New Zealand. You may also like to provide a hyperlink to http://data.linz.govt.nz/
Here's an example of attributing the LDS NZ Primary Parcel Layer:
"Sourced from the LINZ Data Service http://data.linz.govt.nz/layer/772-nz-primary-parcels and licensed by LINZ for re-use under the Creative Commons Attribution 3.0 New Zealand licence."
These two resources from Creative Commons also provide best practice and presentation examples for attributions. Choose the format that best suits your application, service or use: