Cita APA (7th ed.)

Nicholson, S. (2006). E-encyclopedia. Dorling Kindersley.

Cita Chicago (17th ed.)

Nicholson, Sue. E-encyclopedia. New Delhi: Dorling Kindersley, 2006.

Cita MLA (9th ed.)

Nicholson, Sue. E-encyclopedia. Dorling Kindersley, 2006.