Maynard Smith, J. (1986). The Problems of Biology. Oxford University.
Cita Chicago (17th ed.)Maynard Smith, John. The Problems of Biology. Oxford: Oxford University, 1986.
Cita MLA (9th ed.)Maynard Smith, John. The Problems of Biology. Oxford University, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.