The following citation tools offer you the ability to make quick citations in several formats. Keep in mind that they are not perfect and it is up to you to check the correctness of your citation.
CiteFast
CiteFast helps you create citations in APA, MLA and Chicago style by choosing a resource to cite (webpage, journal article, book, etc.), entering the bibliographic information into a worksheet. CiteFast will also help you create a title page for a paper in APA, MLA or Chicago.
Knight Cite
KnightCite helps you create citations in APA, MLA and Chicago style for 29 different kinds of resources (books, anthologies, multimedia, etc.). You can also sign up for a free account that will let you save citations, build bibliographies, and send them to MS Word for inclusion in your paper.
Zoterobib
APA Citation Maker helps you build citations in APA format using ISBNs, DOIs, PMID or title