Citazione Stile APA (7a Edizione)

Brunet, E., & Grelin, A. (1976). Design of U-bar -simple tillage implement: Design of a simple agricultural implement. Brace Research Institute.

Citazione stile Chigago Style (17a edizione)

Brunet, Eric, e A. Grelin. Design of U-bar -simple Tillage Implement: Design of a Simple Agricultural Implement. Quebec: Brace Research Institute, 1976.

Citatione MLA (9a ed.)

Brunet, Eric, e A. Grelin. Design of U-bar -simple Tillage Implement: Design of a Simple Agricultural Implement. Brace Research Institute, 1976.