APA (7th ed.) Citation

Pearl, R., & Pearl, R. D. W. (1934). The ancestry of the long-lived. Johns Hopkins Press; H. Milford, Oxford University Press.

Chicago Style (17th ed.) Citation

Pearl, Raymond, and Ruth De Witt Pearl. The Ancestry of the Long-lived. Baltimore : London: Johns Hopkins Press; H. Milford, Oxford University Press, 1934.

MLA (9th ed.) Citation

Pearl, Raymond, and Ruth De Witt Pearl. The Ancestry of the Long-lived. Johns Hopkins Press; H. Milford, Oxford University Press, 1934.