Citazione Stile APA (7a Edizione)

Riordan Rick. (2017). Trials OF Apollo The Dark Prophecy. Penguin Random House.

Citazione stile Chigago Style (17a edizione)

Riordan Rick. Trials OF Apollo The Dark Prophecy. UK: Penguin Random House, 2017.

Citatione MLA (9a ed.)

Riordan Rick. Trials OF Apollo The Dark Prophecy. Penguin Random House, 2017.