APA

Gifford. Clive, Semple D., . (2001). The Ace Space Race. London: Ladybird Books Ltd.

Chicago

Gifford. Clive, Semple David, . 2001. The Ace Space Race. London: Ladybird Books Ltd.

Harvard

Gifford. Clive, Semple D., . (2001). The Ace Space Race. London: Ladybird Books Ltd.

MLA

Gifford. Clive, Semple David, . The Ace Space Race. London: Ladybird Books Ltd. 2001.