APA

Cass K., . (2012). The selection. London: HarperCollins Children's.

Chicago

Cass Kiera, . 2012. The selection. London: HarperCollins Children's.

Harvard

Cass K., . (2012). The selection. London: HarperCollins Children's.

MLA

Cass Kiera, . The selection. London: HarperCollins Children's. 2012.