Appel, G., & Hitschler, W. F. (1980). Stock market trading systems. Dow Jones-Irwin.
Chicago Style (17th ed.) CitationAppel, Gerald, and W. F. Hitschler. Stock Market Trading Systems. Homewood, Ill: Dow Jones-Irwin, 1980.
MLA (9th ed.) CitationAppel, Gerald, and W. F. Hitschler. Stock Market Trading Systems. Dow Jones-Irwin, 1980.
Warning: These citations may not always be 100% accurate.