APA (7th ed.) Citation

Lamb, W. (2000). I know this much is true. HarperCollins Publisher.

Chicago Style (17th ed.) Citation

Lamb, Wally. I Know This Much Is True. London: HarperCollins Publisher, 2000.

MLA (9th ed.) Citation

Lamb, Wally. I Know This Much Is True. HarperCollins Publisher, 2000.

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