Cita APA

Darwin, F. 1. S., & Simpson, G. G. 1. (1959). The life and letters of Charles Darwin: Including an autobiographical chapter. New York: Basic Books, Inc..

Citación estilo Chicago

Darwin, Francis 1848-1925 Sir, y George Gaylord 1902-1984 Simpson. The Life and Letters of Charles Darwin: Including an Autobiographical Chapter. New York: Basic Books, Inc., 1959.

Cita MLA

Darwin, Francis 1848-1925 Sir, y George Gaylord 1902-1984 Simpson. The Life and Letters of Charles Darwin: Including an Autobiographical Chapter. New York: Basic Books, Inc., 1959.