CDE Style Manual - Publications (CA Dept of Education)

When to Use “et al.” in Author–Date Text Citations60. Section 13. ... if an abbreviation can be misunderstood, do not abbreviate. Always use standard abbreviations. Write out the term in full the first time and include the abbreviation or acronym in parentheses. ... but they should be hyphenated after proper nouns, after most words of ... ................
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