Text citations All references in the text and notes must be specified by the authors’ last names and date of publication together with page numbers if given. Do not use ibid., op. cit., infra., supra. Instead, show the subsequent citation of the same source in the same way as the first. Note the following for the style of text citations: 1. If the author’s name is in the text, follow with year in parentheses: ... Author Last Name (year) has argued ... 2. If author’s name is not in the text, insert last name, comma and year: ... several works (Author Last Name, year) have described ... 3. Where appropriate, the page number follows the year, separated by a colon: ... it has been noted (Author Last Name, year: page nos) that ... 4. Where there are two authors, give both names, joined by ‘and’; if three or more authors, use et al.: ... it has been stated (Author Last Name and Author Last Name, year) ... ... some investigators (Author Last Name et al