APA Citation

Riordan, R. (2016). Demigods and magicians. UK: Puffin Books.

Chicago Style Citation

Riordan, Rick. Demigods and Magicians. UK: Puffin Books, 2016.

MLA Citation

Riordan, Rick. Demigods and Magicians. UK: Puffin Books, 2016.

Warning: These citations may not always be 100% accurate.