going by the authors guide at http://cdn.elsevier.com/promis_misc/instructions-to-authors-revista-brasileira-de-farmacognosia.pdf the old independent style is correct. Going by the last published issue
http://www.scielo.br/scielo.php?script=sci_issuetoc&pid=0102-695X20130005&lng=en&nrm=iso 
it's elsevier-harvard2 (chapters are using ". In:" not ", in:") we should pick either of those