Lovejoy, C., Heiple, K., & Meindl, R. (2001). Palaeoanthropology: Did Our Ancestors Knuckle-Walk?. Nature. https://oaks.kent.edu/node/409
Lovejoy, C., Kingsbury Heiple, and Richard Meindl. 2001. “Palaeoanthropology: Did Our Ancestors Knuckle-Walk?”. Nature. https://oaks.kent.edu/node/409.
Lovejoy, C., K. Heiple, and R. Meindl. Palaeoanthropology: Did Our Ancestors Knuckle-Walk?. Nature, 15 Mar. 2001, https://oaks.kent.edu/node/409.