Sellers, Jan (2021). Permanent and Landscaped Labyrinths in Universities and Colleges: An International Index. Online research paper (pdf). Available at: https://jansellers.com/publications/
If you are quoting from Part l or Part ll, use the wording above, but after (pdf), insert (for example) Part l, pp.3-4.
Note for students: The style of citations varies between academic disciplines. Please use the above as a starting point to create a citation that meets the requirements of your own academic field. If in doubt, consult your university or college student learning advisory service/development unit, or the library.