This service is staffed by WPI librarians and staff. If the chat is not available, please feel free to email us at library@wpi.edu or you can make an appointment with a librarian at http://wpi.libcal.com/appointments/
Guides to MLA:
MLA Handbook (9th Ed.) by 
MLA Handbook (8th ed.) by Image credit: Balaji Photography. “Matryoshka Nesting Dolls.” Flickr, 2007, https://www.flickr.com/photos/bbalaji/370510103. CC BY 2.0.