Cita APA

Konig, K., & Konig, K. (1963). Brothers and sisters: A study in child psychology. New York, New York: St George Books.

Citación estilo Chicago

Konig, Karl, y Karl Konig. Brothers and Sisters: A Study in Child Psychology. New York, New York: St George Books, 1963.

Cita MLA

Konig, Karl, y Karl Konig. Brothers and Sisters: A Study in Child Psychology. New York, New York: St George Books, 1963.