Final answer:
The genre of 'Night' by Elie Wiesel is a memoir, which is a subset of creative nonfiction focusing on personal experiences.
Step-by-step explanation:
The genre of Night by Elie Wiesel is best classified as a memoir. A memoir is a form of creative nonfiction where the author recounts personal experiences from their life. It is distinct from an autobiography in that it usually focuses on specific events or a particular period in the author's life rather than their entire life history. Therefore, when considering the options, memoir is the most accurate genre for this work.