Going to bed.

MLA

Harris, Eileen. Going to Bed. London: Her Majesty's stationery office, 1981.

APA

Harris, E. (1981). Going to bed. London: Her Majesty's stationery office.

Chicago

Harris, Eileen, and Eileen Harris. Going to Bed. London: Her Majesty's stationery office, 1981.