the purpose and character of your use.
the nature of the copyrighted work.
the amount and substantiality of the portion taken, and.
the effect of the use upon the potential market
In its most general sense, a fair use is any copying of copyrighted material done for a limited and “transformative” purpose, such as to comment upon, criticize, or parody a copyrighted work. Such uses can be done without permission from the copyright owner
the nature of the copyrighted work; the amount and substantiality of the portion used in relation to the copyrighted work as a whole; and. the effect of the use upon the potential market for or value of the copyrighted work
uwu hope dis halpz!
Reference command provides the source reference on the last page of a document.
I think the answer is one fourth.
Because usually only that part is visible in a stand. It usually contains the name of the magazine and a little bit of illustration gives an idea about what it is about.