APA (7th ed.) Citation

Buel, J. W. (1890). Heroes of the Dark Continent and how Stanley found Emin Pasha. N.D. Thompson.

Chicago Style (17th ed.) Citation

Buel, James W. Heroes of the Dark Continent and How Stanley Found Emin Pasha. St. Louis, Mo.: N.D. Thompson, 1890.

MLA (8th ed.) Citation

Buel, James W. Heroes of the Dark Continent and How Stanley Found Emin Pasha. N.D. Thompson, 1890.