Dunbar, R., Korstjens, A., Lehmann, J., & Society, C. P. (2009). Time as an ecological constraint. Wiley-Blackwell.
Cita Chicago (17th ed.)Dunbar, R., A. Korstjens, J. Lehmann, i Cambridge Philosophical Society. Time as an Ecological Constraint. Wiley-Blackwell, 2009.
Cita MLA (9th ed.)Dunbar, R., et al. Time as an Ecological Constraint. Wiley-Blackwell, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.