Cita APA (7th ed.)

Lamb, W. (1999). I know this much is true (1st pbk. ed.). Regan Books.

Cita Chicago (17th ed.)

Lamb, Wally. I Know This Much Is True. 1st pbk. ed. New York, NY: Regan Books, 1999.

Cita MLA (8th ed.)

Lamb, Wally. I Know This Much Is True. 1st pbk. ed. Regan Books, 1999.