@inbook{Trivers2017,
author = {Trivers, R.L.},
title= {Parental investment and sexual selection},
year = {2017},
doi = {10.4324/9781315129266-7},
editor = {Campbell, B.G.},
booktitle = {Sexual selection and the descent of man},
address = {London},
publisher = {Routledge},
pages = {136--179},
}