APA Style
Cowell, Cressida. (2012).
How to Break a Dragon's Heart: How to Train Your Dragon (Book 8) .
United States:
Hachette Book Group, Inc.
Chicago Style
Cowell, Cressida.
How to Break a Dragon's Heart: How to Train Your Dragon (Book 8).
United States:
Hachette Book Group, Inc,
2012.
Text.
MLA Style
Cowell, Cressida.
How to Break a Dragon's Heart: How to Train Your Dragon (Book 8).
United States:
Hachette Book Group, Inc,
2012.
Text.
Turabian Style
Cowell, Cressida.
How to Break a Dragon's Heart: How to Train Your Dragon (Book 8).
United States:
Hachette Book Group, Inc,
2012.
Print.