Cita APA (7a ed.)

Robson, P., & Lury, D. A. (1969). The economies of Africa. George Allen and Unwin.

Cita Chicago Style (17a ed.)

Robson, Peter, y D. A. Lury. The Economies of Africa. London: George Allen and Unwin, 1969.

Cita MLA (9a ed.)

Robson, Peter, y D. A. Lury. The Economies of Africa. George Allen and Unwin, 1969.