APA

Adamson J., Adamson G., .Buckets and Spades. London: ladybird.

Chicago

Adamson Jean, Adamson Gareth, .Buckets and Spades. London: ladybird.

Harvard

Adamson J., Adamson G., .Buckets and Spades. London: ladybird.

MLA

Adamson Jean, Adamson Gareth, .London: ladybird. .