Cita APA (7a ed.)

Allen, W. D., Jennings, J. E., Thomas, B. E., & Paden, J. N. (1981). Africa ([Student's edition].). The Fideler Company.

Cita Chicago Style (17a ed.)

Allen, William D., Jerry E. Jennings, Benjamin E. Thomas, y John N. Paden. Africa. [Student's edition]. Grand Rapids, Michigan Toronto, Canada: The Fideler Company, 1981.

Cita MLA (9a ed.)

Allen, William D., et al. Africa. [Student's edition]. The Fideler Company, 1981.