APA

Hornby N., Collins A., Hopkins A. & Potter J. (2008). About a boy. England, UK: Penguin readers Plc.

Chicago

Hornby Nick, Collins Anne, Hopkins Andy and Potter Jocelyn. 2008. About a boy. England, UK: Penguin readers Plc.

Harvard

Hornby N., Collins A., Hopkins A. and Potter J. (2008). About a boy. England, UK: Penguin readers Plc.

MLA

Hornby Nick, Collins Anne, Hopkins Andy and Potter Jocelyn. About a boy. England, UK: Penguin readers Plc. 2008.