Altruism - Psychology bibliographies - in Harvard style

In-text: (Comer, Furnham and Gould, 2013)

Your Bibliography: Comer, R., Furnham, A. and Gould, E., 2013. Psychology. Hoboken, n.j.: Wiley.

In-text: (Fehr and Fischbacher, 2003)

Your Bibliography: Fehr, E. and Fischbacher, U., 2003. The nature of human altruism. Nature, 425(6960), pp.785-791.

In-text: (Knight, 2014)

Your Bibliography: Knight, H., 2014. Cooperation & Altruism.

In-text: (Manucia, Baumann and Cialdini, 1984)

Your Bibliography: Manucia, G., Baumann, D. and Cialdini, R., 1984. Mood influences on helping: Direct effects or side effects?. Journal of Personality and Social Psychology, 46(2), pp.357-364.

In-text: (Nowak and Sigmund, 1998)

Your Bibliography: Nowak, M. and Sigmund, K., 1998. Evolution of indirect reciprocity by image scoring. Nature, 393(6685), pp.573-577.

In-text: (Trivers, 1971)

Your Bibliography: Trivers, R., 1971. The Evolution of Reciprocal Altruism. The Quarterly Review of Biology, 46(1), p.35.

In-text: (Webster, 2004)

Your Bibliography: Webster, G., 2004. Human Kin Investment as a Function of Genetic Relatedness and Lineage. Evolutionary Psychology, 2, pp.129-141.

In-text: (Zahavi, 1995)

Your Bibliography: Zahavi, A., 1995. Altruism as a Handicap: The Limitations of Kin Selection and Reciprocity. Journal of Avian Biology, 26(1), p.1.