The formatting of in-text citations in nursing typically follows the APA (American Psychological Association) style. Here are some common rules: - Author-Date System: Use the author’s last name and the year of publication. For example, (Smith, 2020). - Direct Quotes: For direct quotes, include the page number. For example, (Smith, 2020, p. 15). - Multiple Authors: For works with two authors, use both names (Smith & Jones, 2020). For three or more authors, use the first author’s last name followed by “et al.” (Smith et al., 2020).