APA

Cope A., Mould C., . (2006). Spy Dog Unleashed !. London: Puffin Books.

Chicago

Cope Andrew, Mould Chris, . 2006. Spy Dog Unleashed !. London: Puffin Books.

Harvard

Cope A., Mould C., . (2006). Spy Dog Unleashed !. London: Puffin Books.

MLA

Cope Andrew, Mould Chris, . Spy Dog Unleashed !. London: Puffin Books. 2006.