Citazione Stile APA (7a Edizione)

Long, N., & Roberts, B. R. (1978). Peasant cooperation and capitalist expansion in central Peru. University of Texas.

Citazione stile Chigago Style (17a edizione)

Long, Norman, e Bryan R. Roberts. Peasant Cooperation and Capitalist Expansion in Central Peru. Austin: University of Texas, 1978.

Citatione MLA (9a ed.)

Long, Norman, e Bryan R. Roberts. Peasant Cooperation and Capitalist Expansion in Central Peru. University of Texas, 1978.