APA (7th ed.) Citation

Dickinson, F., Powell, R., & Norman, H. The USDA-DHIA modified contemporary comparison: Sire summary and cow index procedures. [publisher not identified].

Chicago Style (17th ed.) Citation

Dickinson, F.N, R.L Powell, and H.D Norman. The USDA-DHIA Modified Contemporary Comparison: Sire Summary and Cow Index Procedures. 1976: [publisher not identified].

MLA (9th ed.) Citation

Dickinson, F.N, et al. The USDA-DHIA Modified Contemporary Comparison: Sire Summary and Cow Index Procedures. [publisher not identified].