Answer:
E. Atwood, Margaret. Ed. Earl G. Ingersoll. Waltzing Again: New and Selected Conversations with Margaret Atwood. Princeton: Ontario Review, 2006. Print
Step-by-step explanation:
Modern Language Association is one format of writing citations for academic papers. This form of citing is majorly used in such writings, aside from the other formats like APA.
Casey's use of a book named "Waltzing Again: New and Selected Conversations with Margaret Atwood" contains an editor. To cite the given source, the MLA format is as follows-
Name of the author (last names first, other names), name of the editor
Source/ book
Publisher
Year of publishing
Print or online source.
Following the given pattern, the correct format to cite the book according to the MLA format will be option E.