Brook, P. (1968). The empty space (First edition.). Discus Books.
Chicago Style (17th ed.) CitationBrook, Peter. The Empty Space. First edition. New york: Discus Books, 1968.
MLA引文Brook, Peter. The Empty Space. First edition. Discus Books, 1968.
警告:這些引文格式不一定是100%准確.