APA

Napoleon, Howard J. E., . (1961). Letters and documents of Napoleon. London: Cresset Press.

Chicago

Napoleon, Howard John Eldred, . 1961. Letters and documents of Napoleon. London: Cresset Press.

Harvard

Napoleon, Howard J. E., . (1961). Letters and documents of Napoleon. London: Cresset Press.

MLA

Napoleon, Howard John Eldred, . Letters and documents of Napoleon. London: Cresset Press. 1961.