Skidmore Guide to Writing Index
If you are quoting more than three lines of poetry, quote them line by line as they appear in the poem, indenting as you would a block quotation. Indicate the line numbers in parentheses after the final punctuation mark.
In "Snake," Emily Dickinson describes her subject by the effect of its movement:
If you are quoting three lines or fewer, integrate the quotations into your own sentence, using a slash (/) to indicate line breaks. Indicate line numbers at the end of the quotation.
In "Snake," Emily Dickinson describes her subject by the effect of its movement: "The grass divides as with a comb,/ A spotted shaft is seen" (5-6).