APA (7th ed.) Citation

Helfert, E. A. (1991). Techniques of financial analysis (7. ed.). Business One Irwin.

Chicago Style (17th ed.) Citation

Helfert, Erich Anton. Techniques of Financial Analysis. 7. ed. Homewood, Ill: Business One Irwin, 1991.

MLA (9th ed.) Citation

Helfert, Erich Anton. Techniques of Financial Analysis. 7. ed. Business One Irwin, 1991.