APA

Preston D. J., Child L., . (2015). Blue Labyrinth. London: Head of Zeus.

Chicago

Preston Douglas J, Child Lincoln, . 2015. Blue Labyrinth. London: Head of Zeus.

Harvard

Preston D. J., Child L., . (2015). Blue Labyrinth. London: Head of Zeus.

MLA

Preston Douglas J, Child Lincoln, . Blue Labyrinth. London: Head of Zeus. 2015.