Citazione APA

Herren, R. V., & Ray V. Herren. (2006). Agricultural mechanics: Fundamentals & applications. Clifton Park, NY: Delmar Cengage Learning.

Stile di citazione Chicago

Herren, Ray V., e Ray V. Herren. Agricultural Mechanics: Fundamentals & Applications. Clifton Park, NY: Delmar Cengage Learning, 2006.

Citazione MLA

Herren, Ray V., e Ray V. Herren. Agricultural Mechanics: Fundamentals & Applications. Clifton Park, NY: Delmar Cengage Learning, 2006.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.