APA (7th ed.) Citation

Hyerczyk, J. A. (1998). Pattern, price & time: Using Gann theory in trading systems. John Wiley.

Chicago Style (17th ed.) Citation

Hyerczyk, James A. Pattern, Price & Time: Using Gann Theory in Trading Systems. New York: John Wiley, 1998.

MLA (9th ed.) Citation

Hyerczyk, James A. Pattern, Price & Time: Using Gann Theory in Trading Systems. John Wiley, 1998.

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