Cita APA (7a ed.)

Forje, J. W., Ndebbio, J. E. U., & Ekpo, A. H. (1989). Science and technology in Africa. Longman.

Cita Chicago Style (17a ed.)

Forje, John W., John E. Udo Ndebbio, y Akpan Hogan Ekpo. Science and Technology in Africa. Harlow: Longman, 1989.

Cita MLA (9a ed.)

Forje, John W., et al. Science and Technology in Africa. Longman, 1989.