1. Underline, italicize, or “Quotation Marks”?
MLA style
Aldus Manutius was the leading printer, publisher, and typographer of his time. He commissioned Francesco Griffo to create the first italic typeface in

2. Underline or Italicize
If it can stand on a shelf, underline or italicize it.
Website CD
Novel
TV Series
Ship
cartoon series
play
Encyclopedia
Film
Magazine
Painting
Newspaper
sculpture or statue
Pamphlet
drawing
Epic poem

3. “Quotation Marks”
Use “ ” to indicate titles that are small and can hang from a laundry pin.
individual episode in a TV series (like "The Soup Nazi" on Seinfeld)
cartoon episode
chapter
short poem
journal, magazine, or newspaper article
songs
short story
skit
commercial

4. Capital letters only Do not underline or use quotation marks
Religious works, like The Bible or The Koran
Buildings
Monuments
Government documents like The Declaration of Independence