APA (7th ed.) Citation

Armstrong, D. (1983). Quadriceps-hamstring ratios for isotonic and isokinetic measurements. [publisher not identified].

Chicago Style (17th ed.) Citation

Armstrong, Douglas. Quadriceps-hamstring Ratios for Isotonic and Isokinetic Measurements. [Place of publication not identified]: [publisher not identified], 1983.

MLA (9th ed.) Citation

Armstrong, Douglas. Quadriceps-hamstring Ratios for Isotonic and Isokinetic Measurements. [publisher not identified], 1983.