Wittenberg. Time Travel. Fordham University Press.
Chicago Style (17th ed.) CitationWittenberg. Time Travel. Fordham University Press.
MLA引文Wittenberg. Time Travel. Fordham University Press.
警告：這些引文格式不一定是100％准確.
APA引文
Wittenberg. Time Travel. Fordham University Press.
Chicago Style (17th ed.) CitationWittenberg. Time Travel. Fordham University Press.
MLA引文Wittenberg. Time Travel. Fordham University Press.