If it is an epic poem, you underline poems, such as book titles, or italicize, but you generally ITALICIZE poems.
It is not required.
quotes
No, you do not. "Title of Poem" by Author
No you put them in quotation's!
yes if it is by a famous person but by you don't underline it
The Inspiration of Rita Dove's Poems
Rita Dove on What Makes a Classic Poem
Robert Pinsky on the Favorite Poem Project
The Cappadocian Poems of Aretaeus