APA Style

Adamson, G., Adamson, J. (). Read it yourself it with Ladybird : Topsy and Tim Go to the Zoo, Level 1 . London: Ladybird Books Ltd.

MLA Style

Adamson, Gareth., Adamson, Jean. "Read it yourself it with Ladybird : Topsy and Tim Go to the Zoo, Level 1". London: Ladybird Books Ltd, . Text.