APA (7th ed.) Citation

Leakey, R. E., & Lewin, R. (1977). Origins: What new discoveries reveal about the emergence of our species and its possible future. Dutton.

Chicago Style (17th ed.) Citation

Leakey, Richard E., and Roger Lewin. Origins: What New Discoveries Reveal About the Emergence of Our Species and Its Possible Future. New York: Dutton, 1977.

MLA (9th ed.) Citation

Leakey, Richard E., and Roger Lewin. Origins: What New Discoveries Reveal About the Emergence of Our Species and Its Possible Future. Dutton, 1977.