APA (7th ed.) Citation

Appel, G., & Hitschler, W. F. (1980). Stock market trading systems. Dow Jones-Irwin.

Chicago Style (17th ed.) Citation

Appel, Gerald, and W. F. Hitschler. Stock Market Trading Systems. Homewood, Ill: Dow Jones-Irwin, 1980.

MLA (9th ed.) Citation

Appel, Gerald, and W. F. Hitschler. Stock Market Trading Systems. Dow Jones-Irwin, 1980.

Warning: These citations may not always be 100% accurate.