APA (7th ed.) Citation

Dowswell. (2006). First encyclopedia of space. Usborne Pub.

Chicago Style (17th ed.) Citation

Dowswell. First Encyclopedia of Space. London: Usborne Pub, 2006.

MLA (8th ed.) Citation

Dowswell. First Encyclopedia of Space. Usborne Pub, 2006.

Warning: These citations may not always be 100% accurate.