Which of the following would not always require a citation in a research paper?

A. information from website
B. information from common knowledge
C. information from personal interview
D. information from television program

B. information from common knowledge

The option that would not always require a citation in a research paper is B. information from common knowledge. Generally, information that is common knowledge and widely known does not need a citation. However, it is important to note that what is considered common knowledge may vary depending on the audience and the specific field of study.