Cita APA

Johanson, D. C. 1., & Edey, M. A. 1. (1981). Lucy: The beginnings of humankind. New York: Simon and Schuster.

Citación estilo Chicago

Johanson, Donald C. 1943-, y Maitland Armstrong 1910- Edey. Lucy: The Beginnings of Humankind. New York: Simon and Schuster, 1981.

Cita MLA

Johanson, Donald C. 1943-, y Maitland Armstrong 1910- Edey. Lucy: The Beginnings of Humankind. New York: Simon and Schuster, 1981.