Cita APA

Ramsay, F. J. (1999). Africa (8th ed.). London: McGraw-Hill.

Citación estilo Chicago

Ramsay, F. Jeffress. Africa. 8th ed. London: McGraw-Hill, 1999.

Cita MLA

Ramsay, F. Jeffress. Africa. 8th ed. London: McGraw-Hill, 1999.