APA (7th ed.) Citation

Portal, G. H., Rodd, R., & Portal, R. M. (1970). The British mission to Uganda in 1893. Negro Universities Press.

Chicago Style (17th ed.) Citation

Portal, Gerald Herbert, Rennell Rodd, and Raymond Melville Portal. The British Mission to Uganda in 1893. Westport, Conn.: Negro Universities Press, 1970.

MLA (8th ed.) Citation

Portal, Gerald Herbert, et al. The British Mission to Uganda in 1893. Negro Universities Press, 1970.