APA (7th ed.) Citation

Oldham, M., & Cosgrove, L. (2016). My very first our world book. Usborne Publishing Ltd.

Chicago Style (17th ed.) Citation

Oldham, Matthew, and Lee Cosgrove. My Very First Our World Book. London: Usborne Publishing Ltd, 2016.

MLA (8th ed.) Citation

Oldham, Matthew, and Lee Cosgrove. My Very First Our World Book. Usborne Publishing Ltd, 2016.