There are two ways in which an author can be cited, and you will need to check with your publisher which one to use:
■ the name andyear system: used mainly in biological and earth sciences, as well as the social sciences, education, linguistics.
■ the number system: used in the applied sciences, such as chemistry, computer science, engineering, mathematics, physics and medicine.
The name and year system. Place the year in brackets immediately after the author's name. Add the page number reference, if needed, at the end of the sentence, again in brackets.
Jones(1992) found that 'these data of psychological development suggest that retarded adolescents are atypical in maturational growth.' (p.215)
The number system. Place the number in brackets immediately after the author's name when it occurs, or alone at the end of the sentence. The numbers you give to your citations refer to your list of references at the end of your work, and these can be arranged either alphabetically (by author) or consecutively as they appear in the text. You can add a page number reference too, if you want.
Kanner (1, p. 249) labelled the disorder as 'early infantile autism'.
All in-text citations, either name-and-year or number, must of course refer to your list of references at the end of your work.
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