APA

Adamson J., .Topsy and Tim go on an Aeroplane. London: Ladybird.

Chicago

Adamson Jean, .Topsy and Tim go on an Aeroplane. London: Ladybird.

Harvard

Adamson J., .Topsy and Tim go on an Aeroplane. London: Ladybird.

MLA

Adamson Jean, .London: Ladybird. .