To Cite Or Not To Cite

Explanation
The phrase "cultural tapeworm" is not a commonly used or widely known term. Therefore, if you decide to use it in your paper, you should cite the source where you found it. Citing the source will give credit to the original author and provide your readers with the opportunity to explore the context and meaning of the phrase further if they wish.

Explanation
The reason why you do not have to cite the fact that Facebook is popular is because it is common knowledge. Common knowledge refers to information that is widely known and accepted by the general public. Since the popularity of Facebook is a well-known fact that can be easily verified by anyone, it does not require a citation.

Explanation
When using someone else's argument or ideas in your paper, it is important to give credit to the original author by citing their work. Even if you rephrase the argument in your own words, the idea still originated from the writer of the article. Citing the source not only gives proper recognition to the original author but also adds credibility to your own paper by showing that you have done thorough research and considered different perspectives.

Explanation
When you find a photograph on a website and paste it into your paper, you have to cite it. This is because using someone else's photograph without giving them credit is a violation of copyright laws. Citing the photograph not only acknowledges the original creator but also provides the necessary information for readers to locate the source themselves. It is important to give proper credit to the photographer and follow ethical guidelines when using someone else's work in your own.

Explanation
The answer is "have to cite it" because even though the Congressional hearing from 1899 is in the public domain, you still need to give credit to the original source when summarizing its content in your paper. Citing the source is important to acknowledge the information's origin and to avoid plagiarism.