What is unnecessary in the following sentence?

"There is a time for jokes, and this was not the time" (James, 53).

Double quotes, comma, open and close brackets, and James, 53 are unnecessary in the sentence.

Explanation:

Generally in a sentence, only the meaning and the words should be defined. In this sentence, they are telling us that there is a separate time for jokes and at this time we should not say jokes. They are also saying that this is not the time for the jokes. This is the meaning. In this sentence, there is no need for double quotes, comma, brackets, James and 53. So these are unnecessary in this sentence.