Citazione Stile APA (7a Edizione)

Ireland, W. M., Smith, D., & Newton, D. (1978). Industry and farming (4. impression.). Schofield & Sims.

Citazione stile Chigago Style (17a edizione)

Ireland, W. M., David Smith, e Derek Newton. Industry and Farming. 4. impression. Huddersfield: Schofield & Sims, 1978.

Citatione MLA (9a ed.)

Ireland, W. M., et al. Industry and Farming. 4. impression. Schofield & Sims, 1978.