APA Style
Riordan, Rick. (2013).
Heroes of Olympus: The Mark of Athena .
:
penguin random house.
Chicago Style
Riordan, Rick.
Heroes of Olympus: The Mark of Athena.
:
penguin random house,
2013.
Fiction book.
MLA Style
Riordan, Rick.
Heroes of Olympus: The Mark of Athena.
:
penguin random house,
2013.
Fiction book.
Turabian Style
Riordan, Rick.
Heroes of Olympus: The Mark of Athena.
:
penguin random house,
2013.
Fiction book.