APA (7th ed.) Citation

Johanson, D. C., & Edey, M. A. (1981). Lucy: The beginnings of humankind. Penguin Books.

Chicago Style (17th ed.) Citation

Johanson, Donald C., and Maitland Armstrong Edey. Lucy: The Beginnings of Humankind. [S.I.]: Penguin Books, 1981.

MLA (8th ed.) Citation

Johanson, Donald C., and Maitland Armstrong Edey. Lucy: The Beginnings of Humankind. Penguin Books, 1981.