APA (7th ed.) Citation

Helfert, E. A. (1972). Techniques of financial analysis (3d ed.). Irwin.

Chicago Style (17th ed.) Citation

Helfert, Erich A. Techniques of Financial Analysis. 3d ed. Homewood, Ill: Irwin, 1972.

MLA (9th ed.) Citation

Helfert, Erich A. Techniques of Financial Analysis. 3d ed. Irwin, 1972.