Cita APA (7th ed.)

McKay, L. (2009). The World atlas and encyclopedia. Parragon.

Cita Chicago (17th ed.)

McKay, Liz. The World Atlas and Encyclopedia. Bath: Parragon, 2009.

Cita MLA (9th ed.)

McKay, Liz. The World Atlas and Encyclopedia. Parragon, 2009.