Richter. The Letters of Sigmund Freud and Otto Rank. Johns Hopkins University Press.
Chicago Style (17th ed.) CitationRichter. The Letters of Sigmund Freud and Otto Rank. Johns Hopkins University Press.
MLA引文Richter. The Letters of Sigmund Freud and Otto Rank. Johns Hopkins University Press.
警告：這些引文格式不一定是100％准確.