Cita APA (7a ed.)

Helfert, E. A. (1967). Techniques of financial analysis (Revised ed.). Richard D. Irwin.

Cita Chicago Style (17a ed.)

Helfert, Erich A. Techniques of Financial Analysis. Revised ed. Homewood, Ill.: Richard D. Irwin, 1967.

Cita MLA (9a ed.)

Helfert, Erich A. Techniques of Financial Analysis. Revised ed. Richard D. Irwin, 1967.