APA (7th ed.) Citation

Diterlizzi, T., & Black, H. (2004). The ironwood tree: Book 4 of five. Simon Schuster Books Publishers.

Chicago Style (17th ed.) Citation

Diterlizzi, Tony, and Holly Black. The Ironwood Tree: Book 4 of Five. New York: Simon Schuster Books Publishers, 2004.

MLA (9th ed.) Citation

Diterlizzi, Tony, and Holly Black. The Ironwood Tree: Book 4 of Five. Simon Schuster Books Publishers, 2004.

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