APA 7
APA 7th Edition is the most commonly used referencing style here at the University of Portsmouth. Below you will find general guidance on how to reference and cite using APA 7th Edition, as well as examples for the specific sources you are likely to use in your assignments.
Your department or lecturer may prefer you to reference sources differently from the guidance given here. Always follow the requirements of your department or lecturer.
External visitors are welcome to use this guide, but note that your institution's requirements may differ from those suggested here.
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These would include Ordnance Survey maps such as the Landranger and Explorer series, any maps published as individual items (not as part of a book), as well as map sheets held in the Map Library.
Reference
Author, Initials. or Name of Organisation. (Year of publication). Title [Map; scale]. Series title and number / Sheet number.
Ordnance Survey. (2015). Meon Valley: Portsmouth, Gosport & Fareham [Map; 1:25 000]. OS Explorer Map OL3.
British Geological Survey. (2014). Loch Rannoch (bedrock) [Map; 1:50,000]. Sheet 54E.
In-text Citation
The comparative locations of... (Ordnance Survey, 2015)
...as shown by a map by the British Geological Survey (2014)