Styl cytowania 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.

Styl cytowania Chicago

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

Styl cytowania MLA

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