Chicago: Jane Austen, "Advertisement by the Authoress," Northanger Abbey Original Sources, accessed March 28, 2024, http://www.originalsources.com/Document.aspx?DocID=4KWX2XCT59YYH41.
MLA: Austen, Jane. "Advertisement by the Authoress." Northanger Abbey, Original Sources. 28 Mar. 2024. http://www.originalsources.com/Document.aspx?DocID=4KWX2XCT59YYH41.
Harvard: Austen, J, 'Advertisement by the Authoress' in Northanger Abbey. Original Sources, retrieved 28 March 2024, from http://www.originalsources.com/Document.aspx?DocID=4KWX2XCT59YYH41.