Cita APA (7th ed.)

Black, T. (2010). When a heart turns rock solid: The lives of three Puerto Rican brothers on and off the streets (1st Vintage Books ed.). Vintage Books.

Cita Chicago (17th ed.)

Black, Timothy. When a Heart Turns Rock Solid: The Lives of Three Puerto Rican Brothers on and off the Streets. 1st Vintage Books ed. New York: Vintage Books, 2010.

Cita MLA (9th ed.)

Black, Timothy. When a Heart Turns Rock Solid: The Lives of Three Puerto Rican Brothers on and off the Streets. 1st Vintage Books ed. Vintage Books, 2010.