APA

Green B., . (2013). Percy Penguin's Time Out. London: TOP THAT! Publishing plc.

Chicago

Green Barry, . 2013. Percy Penguin's Time Out. London: TOP THAT! Publishing plc.

Harvard

Green B., . (2013). Percy Penguin's Time Out. London: TOP THAT! Publishing plc.

MLA

Green Barry, . Percy Penguin's Time Out. London: TOP THAT! Publishing plc. 2013.