Cita APA (7th ed.)

Porpora, D. V. (1990). How holocausts happen: The United States in Central America. Temple University Press.

Cita Chicago (17th ed.)

Porpora, Douglas V. How Holocausts Happen: The United States in Central America. Philadelphia: Temple University Press, 1990.

Cita MLA (9th ed.)

Porpora, Douglas V. How Holocausts Happen: The United States in Central America. Temple University Press, 1990.