APA (7th ed.) Citation

Louis, W. R., Robinson, R., & Gallagher, J. (1976). Imperialism: The Robinson and Gallagher controversy. New Viewpoints.

Chicago Style (17th ed.) Citation

Louis, William Roger, Ronald Robinson, and John Gallagher. Imperialism: The Robinson and Gallagher Controversy. New York: New Viewpoints, 1976.

MLA (8th ed.) Citation

Louis, William Roger, et al. Imperialism: The Robinson and Gallagher Controversy. New Viewpoints, 1976.

Warning: These citations may not always be 100% accurate.