Citazione Stile APA (7a Edizione)

Darvill, P. A., Stirling, W. R., & Stubley, T. (1979). Our world today: Social and economic (1. printed.). Schofield & Sims.

Citazione stile Chigago Style (17a edizione)

Darvill, P. A., W. R. Stirling, e Trevor Stubley. Our World Today: Social and Economic. 1. printed. Huddersfield: Schofield & Sims, 1979.

Citatione MLA (9a ed.)

Darvill, P. A., et al. Our World Today: Social and Economic. 1. printed. Schofield & Sims, 1979.