APA
Grimstone D., . (2009). A hero's quest. London: Hodder Children's.
Chicago
Grimstone David, . 2009. A hero's quest. London: Hodder Children's.
Harvard
Grimstone D., . (2009). A hero's quest. London: Hodder Children's.
MLA
Grimstone David, . A hero's quest. London: Hodder Children's. 2009.