APA (7th ed.) Citation

Paolini, C. (2011). Inheritance or the vault of souls: Inheritance book four. Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Paolini, Christopher. Inheritance or the Vault of Souls: Inheritance Book Four. New York: Alfred A. Knopf, 2011.

MLA (9th ed.) Citation

Paolini, Christopher. Inheritance or the Vault of Souls: Inheritance Book Four. Alfred A. Knopf, 2011.

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