APA (7th ed.) Citation

Robinson, R., Gallagher, J., & Denny, A. (1961). Africa and the Victorians: The official mind of imperialism. MacMillan.

Chicago Style (17th ed.) Citation

Robinson, Ronald, John Gallagher, and Alice Denny. Africa and the Victorians: The Official Mind of Imperialism. London: MacMillan, 1961.

MLA (8th ed.) Citation

Robinson, Ronald, et al. Africa and the Victorians: The Official Mind of Imperialism. MacMillan, 1961.