APA
Gerard-Varet L. (., Ythier J. M. (. & Kolm S. (. (2000). The economics of reciprocity, giving and altruism. Hampshire: Macmillan.
Chicago
Gerard-Varet L.A (ed), Ythier J Mercier (ed) and Kolm S.C (ed). 2000. The economics of reciprocity, giving and altruism. Hampshire: Macmillan.
Harvard
Gerard-Varet L. (., Ythier J. M. (. and Kolm S. (. (2000). The economics of reciprocity, giving and altruism. Hampshire: Macmillan.
MLA
Gerard-Varet L.A (ed), Ythier J Mercier (ed) and Kolm S.C (ed). The economics of reciprocity, giving and altruism. Hampshire: Macmillan. 2000.