APA Citation
British Museum. Department of Manuscripts. Guide to the manuscripts, autographs, charters, seals, illuminations and bindings exhibited in the Department of Manuscripts and the Grenville Library. [London: The Museum] by order of the Trustees. Retrieved from https://library.si.edu/digital-library/book/guidemanuscript00brit
MLA Citation
British Museum. Department of Manuscripts. Guide to the manuscripts, autographs, charters, seals, illuminations and bindings exhibited in the Department of Manuscripts and the Grenville Library. [London: The Museum] by order of the Trustees, https://library.si.edu/digital-library/book/guidemanuscript00brit
Chicago
British Museum. Department of Manuscripts. Guide to the manuscripts, autographs, charters, seals, illuminations and bindings exhibited in the Department of Manuscripts and the Grenville Library. [London: The Museum] by order of the Trustees, https://library.si.edu/digital-library/book/guidemanuscript00brit
Warning: These citations may not always be complete (especially for serials).