APA (7th ed.) Citation

Wilkins, J., & Dunn, R. (2008). Space: (pocket encyclopedia). Sandcastle Books Ltd..

Chicago Style (17th ed.) Citation

Wilkins, Jamie, and Robert Dunn. Space: (pocket Encyclopedia). London: Sandcastle Books Ltd., 2008.

MLA (9th ed.) Citation

Wilkins, Jamie, and Robert Dunn. Space: (pocket Encyclopedia). Sandcastle Books Ltd., 2008.