Use the degree symbol with Celsius or Fahrenheit measures of temperature. The degree symbol should be closed up (see 18.3.8, Units of Measure, Format, Style, and Punctuation, Spacing).
The plates were cultured at 17°C, 3°C lower than usual.
PRINTED FROM AMA MANUAL OF STYLE ONLINE (www.amamanualofstyle.com). © American Medical Association, 2009. All Rights Reserved. Under the terms of the license agreement, an individual user may print out a PDF of a single chapter of a title in AMA Manual of Style Online for personal use (for details see Privacy Policy). Subscriber: null; date: 22 May 2013
