Question

add an in-text citation using mla format.
in addition to the stress that most people face at their jobs, astronauts also face long-term isolation from the rest of the world, locked in a barren environment that they cant leave behind at the end of the day.
in addition to the stress that most people face at their jobs, astronauts also face long-term isolation from the rest of the world, locked in a barren environment that they cant leave behind at the end of the day.
source: packing for mars by mary roach, chapter 1, page 39. published by w. w. norton & company, new york 2010:
the astronauts job is stressful for all the same reasons yours or mine is—overwork, lack of sleep, anxiety, other people—but two things compound the usual stresses: the deprivations of the environment and ones inability to escape it.

Explanation:

MLA in-text citations for a book include the author's last name and the page number, placed in parentheses at the end of the borrowed sentence, before the final punctuation.

Answer:

In addition to the stress that most people face at their jobs, astronauts also face long-term isolation from the rest of the world, locked in a barren environment that they can't leave behind at the end of the day (Roach 39).