APA-viite (7. p.)

Yarnall, H. E. (1934). The great powers and the Congo conference in the years 1884 and 1885 .. Druck von L. Hofer, g.m.b.h..

Chicago-viite (17. p.)

Yarnall, Howard E. The Great Powers and the Congo Conference in the Years 1884 and 1885 .. Göttingen: Druck von L. Hofer, g.m.b.h., 1934.

MLA-viite (8. p.)

Yarnall, Howard E. The Great Powers and the Congo Conference in the Years 1884 and 1885 .. Druck von L. Hofer, g.m.b.h., 1934.