The C7 lamp base size is different than the larger old-fashioned Christmas bulb, which is called a C9 and is over three inches long. A C9 does not fit into a candelabra socket, but has its own socket size, which is called intermediate.
Creating a citation for your website in MLA format usually requires you to identify the website author, website title, website publisher, and the date you accessed the information. You'll also need to remember the date you used the website on your bibliography. See some examples here.
Always ask your Mentor which style to use before you begin your paper. The MLA style refers to the method of writing research papers recommended by the Modern Language Association. The MLA style is used in some areas of the humanities, e.g., composition and literature. Other humanities disciplines such as history, philosophy, and religion may require other styles for formatting your papers. Ask your Primary Mentor which style to use, then come to the Writing Center for further guidance.