Rules for writers, Tenth edition - Diana Hacker, Nancy Sommers 2021
Use standard abbreviations for titles immediately before and after proper names
Abbreviations
Mechanics
✵ 41 Abbreviations
✵ 42 Numbers
✵ 43 Italics
✵ 44 Spelling
✵ 45 Hyphenation
✵ 46 Capitalization
41Abbreviations
41a Use standard abbreviations for titles immediately before and after proper names.
TITLES BEFORE PROPER NAMES |
TITLES AFTER PROPER NAMES |
✵ Mr. Rafael Zabala |
✵ William Albert Sr. |
✵ Ms. Nancy Linehan |
✵ Thomas Hines Jr. |
✵ Dr. Shanice Wallace |
✵ Juan López, MD |
✵ Rev. John Stone |
✵ Margaret Chin, LLD |
Do not abbreviate a title if it is not used with a proper name.
Avoid redundant titles such as Dr. Amy Day, MD. Choose one title or the other.