If no PubMed journal abbreviation exists, use standard abbreviations in the AMA Manual of Style to construct an abbreviated title.
Single word titles, such as Pediatrics, are not abbreviated.
In journal titles, capitalize all major words (Do not capitalize the, an, a, in, for, or but, unless this word begins the title.)
Title of journal article: capitalize only the first word.
Journal page numbers and dates: Format is the year followed by a semicolon; the volume number and the issue number (in parentheses) followed by a colon; the initial page number, a hyphen, the final page number followed by a period and are set without spaces.
Hunter RH, Sykes K, Lowman SG, Duncan R, Satariano WA, Belza B. Environmental and policy change to support healthy aging. J Aging Soc Policy. 2011;23(4):354-371. doi:10.1080/08959420.2011.605642
Citing online journals: The DOI number is preferred over the URL link.
In Book Titles, capitalize all major words (Do not capitalize the, an, a, in, for, or but, unless this word begins the title.) and put in italics.
In Book Chapter Titles: capitalize only the first word.