APA (7th ed.) Citation

Atieno Odhiambo, E. S., Ouso, T. I., & Williams, J. F. M. (1977). A History of East Africa. Longman.

Chicago Style (17th ed.) Citation

Atieno Odhiambo, E. S., T. I. Ouso, and J. F. M. Williams. A History of East Africa. London: Longman, 1977.

MLA (9th ed.) Citation

Atieno Odhiambo, E. S., et al. A History of East Africa. Longman, 1977.