A topic refers to the particular theme or subject of a sentence, essay or speech.
In other words, it may refer to the category or class of argument or consideration.
The above sentence focuses on the theme of shift time which makes it the appropriate topic of consideration.
Therefore, the topic of the sentence is shift time change
References should be arranged by alphabetical order on a Works Cited page. In MLA, the author slash organization is what affects the order of references.
