Citazione Stile APA (7a Edizione)

Hardy, C. C. (1978). The investor's guide to technical analysis. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Hardy, C. Colburn. The Investor's Guide to Technical Analysis. New York: McGraw-Hill, 1978.

Citatione MLA (9a ed.)

Hardy, C. Colburn. The Investor's Guide to Technical Analysis. McGraw-Hill, 1978.