blog.apastyle.org/apastyle/2011/02/et-al-when-and-how.html

Feb 4, 2011 ... Third on the list is the usage of et al. Given the level of detail in these style rules, it's no surprise that many find them challenging. Here are three ...

english.stackexchange.com/questions/33304/et-cetera-vs-et-al

I would say there is a definite distinction between the two, in definition and in proper usage. Et cetera, often shortened to etc., means literally ...

www.e-education.psu.edu/styleforstudents/c3_p28.html

It is important to use these abbreviations literally and to punctuate them correctly. Many writers confuse "e.g." and "i.e.," and many type "et al." improperly or do ...

www.grammarly.com/blog/et-al

Even if you don't speak Latin, you should know the two meanings of et al. Learn what et al. is, how to use it, and what mistakes to avoid. ... Et Al. vs. Etc.—What's the Difference? What's the difference between et al. and etc.? Whereas etc. refers  ...

www.gingersoftware.com/english-online/spelling-book/confusing-words/etc-et-al

Keep using etc. instead of et al.? Check out Ginger's spelling book and make sure you never confuse etc. and et al. again!