Louis, W. R., Robinson, R., & Gallagher, J. (1976). Imperialism: The Robinson and Gallagher controversy. New Viewpoints.
Cita Chicago Style (17a ed.)Louis, William Roger, Ronald Robinson, e John Gallagher. Imperialism: The Robinson and Gallagher Controversy. New York: New Viewpoints, 1976.
Cita MLA (8a ed.)Louis, William Roger, et al. Imperialism: The Robinson and Gallagher Controversy. New Viewpoints, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.