APA (7th ed.) Citation

Lugard, F. J. D., Stoddard, L., Graham, S., Moton, R. R., Johnston, H. H., Du Bois, W. E. B., . . . Adam Matthew Digital. (1921). The colour problem. Adam Matthew Digital.

Chicago Style (17th ed.) Citation

Lugard, Frederick John Dealtry, Lothrop Stoddard, Stephen Graham, Robert Russa Moton, Harry Hamilton Johnston, William E. B. Du Bois, Cambridge University Library, and Adam Matthew Digital. The Colour Problem. Marlborough, England: Adam Matthew Digital, 1921.

MLA (8th ed.) Citation

Lugard, Frederick John Dealtry, et al. The Colour Problem. Adam Matthew Digital, 1921.