Style de citation APA

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.

Style de citation Chicago

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

Style de citation MLA

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