A guide to MLA, APA, Chicago, and AMA citation styles and formatting, with examples and links to frequently used resources.
R: Etzel RA, Balk SJ, eds. Pediatric Environmental Health. American Academy of Pediatrics; 2011.
R: Wang G, Hu FB, Mistry KB, et al. Association between maternal prepregnancy body mass index and plasma folate concentrations with child metabolic health. JAMA Pediatr. 2016;170(8):e160845. doi: 10.1001/jamapediatrics.2016.0845
R: International Society for Infectious Diseases. ProMED-mail. Accessed February 10, 2016. https://www.promedmail.org
"Each reference should be cited in the text, figures, tables, or boxes in consecutive numerical order by means of superscript arabic numerals. Use arabic superscript numerals outside periods and commas, inside colons and semicolons When more than 2 references are cited at a given place in the manuscript, use hyphens to join the first and last numbers of a closed series; use commas without space to separate other parts of a multiple citation." (AMA 3.6)