Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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