An in-text citation is just

a citation in parentheses
a footnote or an endnote
parentheses around supporting information
a direct quotation from a source

A citation in parentheses

Explanation:

An in-text citation is crediting a source within a professional essay by adding the last name of the author, a year or a page number in parentheses.

In-text citations are important due to they credit an external source that is supporting your analysis, avoiding plagiarism, as well as informing the reader you researched what you are discussing.

the tone of the passage is sympathetic to the forbidden love of romeo and juliet. the nurse plays a significant role in the play. she is responsible for making their meeting again possible. additionally, there is a sense of warning in the choice of words of the nurse. she seems to be authoritative when she calls romeo "scurvy knave", and at the same time the fact that she addresses to him as "sir" reflects respect. the nurse is "vexed", this word describes her confused state of mind. on the one hand, she finds romeo a fine and eloquent man, but on the other, it is thought that man's nature forces men to try to trick women.  

edmund spenser and john bunyan is the answer. hope i !