Choosing the Right Citation Manager:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6013132/

Zotero 5.0 vs. EndNote X8-X9

https://guides.library.brandeis.edu/c.php?g=301723&p=2013508

Advantages and limitations of Zotero

http://zotero.pbworks.com/w/page/5511966/Advantages%20and%20Limitations%20of%20Zotero

Pros and cons of Mendeley and Zotero

https://nakhmani.wordpress.com/2011/02/02/mendeley-vs-zotero-comparison/

Oxford lib guide comparison table

https://libguides.bodleian.ox.ac.uk/c.php?g=423116&p=3851803

EndNote pros and cons

https://guides.ucsf.edu/c.php?g=101034&p=654993

Zotero pros and cons

https://guides.ucsf.edu/c.php?g=101034&p=655083

Comparison of Refworks and Zotero

https://www.lib.ncsu.edu/guides/zotero/zoterocomparison

Refworks vs. Zotero

https://libguides.rutgers.edu/c.php?g=337065&p=2268559

Refworks vs. Zotero vs. Mendeley

http://ru.za.libguides.com/c.php?g=174192

If you want ______, choose __________

https://guides.ucsf.edu/referencemanagers

AMAZING chart (of all four)

https://libguides.marquette.edu/ld.php?content_id=1308590