APA (7th ed.) Citation

Cassandra Clare. (2011). City of Fallen Angels: The Mortal Instruments Book Four. Walker Books Ltd.

Chicago Style (17th ed.) Citation

Cassandra Clare. City of Fallen Angels: The Mortal Instruments Book Four. London: Walker Books Ltd, 2011.

MLA (9th ed.) Citation

Cassandra Clare. City of Fallen Angels: The Mortal Instruments Book Four. Walker Books Ltd, 2011.

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