Ashworth, M. (2019). Why North is up: Map conventions and where they came from (First published in 2019.). Bodleian Library.
Chicago Style (17th ed.) CitationAshworth, Mick. Why North Is Up: Map Conventions and Where They Came from. First published in 2019. Oxford: Bodleian Library, 2019.
MLA (9th ed.) CitationAshworth, Mick. Why North Is Up: Map Conventions and Where They Came from. First published in 2019. Bodleian Library, 2019.
Warning: These citations may not always be 100% accurate.