Cita APA (7a ed.)

Hapgood, D., & Stiles, L. J. (1965). Africa. Ginn.

Cita Chicago Style (17a ed.)

Hapgood, David, y Lindley J. Stiles. Africa. Boston, Mass: Ginn, 1965.

Cita MLA (9a ed.)

Hapgood, David, y Lindley J. Stiles. Africa. Ginn, 1965.