Ardrey, B. (1970). The social contract: A personal inquiry into the evolutionary sources of order and disorder. New York: Atheneum.
Citação norma ChicagoArdrey, Berdine. The Social Contract: A Personal Inquiry Into the Evolutionary Sources of Order and Disorder. New York: Atheneum, 1970.
Citação norma MLAArdrey, Berdine. The Social Contract: A Personal Inquiry Into the Evolutionary Sources of Order and Disorder. New York: Atheneum, 1970.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.