APA (7th ed.) Citation

Caplan, D. L. (1991). The options advantage: Gaining a trading edge over the markets. Probus Pub. Co..

Chicago Style (17th ed.) Citation

Caplan, David L. The Options Advantage: Gaining a Trading Edge over the Markets. Chicago, Ill.: Probus Pub. Co., 1991.

MLA (9th ed.) Citation

Caplan, David L. The Options Advantage: Gaining a Trading Edge over the Markets. Probus Pub. Co., 1991.