Cita APA (7a ed.)

Hayward, J. R., Boorman, B. L., & White, R. G. (1981). North America: Studies for East African students (Reprinted.). Heinemann Educational Books.

Cita Chicago Style (17a ed.)

Hayward, J. R., B. L. Boorman, y R. G. White. North America: Studies for East African Students. Reprinted. Nairobi: Heinemann Educational Books, 1981.

Cita MLA (9a ed.)

Hayward, J. R., et al. North America: Studies for East African Students. Reprinted. Heinemann Educational Books, 1981.