Cita APA (7th ed.)

Cairo Demographic Centre. (2003). Population of Egypt in the 20th century. Cairo Demographic Center.

Cita Chicago (17th ed.)

Cairo Demographic Centre. Population of Egypt in the 20th Century. Cairo: Cairo Demographic Center, 2003.

Cita MLA (9th ed.)

Cairo Demographic Centre. Population of Egypt in the 20th Century. Cairo Demographic Center, 2003.