MLA

Nurse, Derek, Thomas J Hinnebusch, and Gérard Philippson. Swahili and Sabaki : a Linguistic History. Berkeley: University of California press, 1993.

APA

Nurse, D., Hinnebusch, T. J, & Philippson, G. (1993). Swahili and Sabaki : a linguistic history. Berkeley: University of California press.

Chicago

Nurse, Derek, Thomas J Hinnebusch, and Gérard Philippson. Swahili and Sabaki: A Linguistic History. Berkeley: University of California press, 1993.