District 9 [poster].
Chicago Style (17th ed.) CitationDistrict 9 [poster].
MLA引文District 9 [poster].
警告：這些引文格式不一定是100％准確.
APA引文
District 9 [poster].
Chicago Style (17th ed.) CitationDistrict 9 [poster].
MLA引文District 9 [poster].