APA

Clarke P., . (2007). The story of explorers and exploration. Brighton: Book House.

Chicago

Clarke Penny, . 2007. The story of explorers and exploration. Brighton: Book House.

Harvard

Clarke P., . (2007). The story of explorers and exploration. Brighton: Book House.

MLA

Clarke Penny, . The story of explorers and exploration. Brighton: Book House. 2007.