Open Access Textbooks: If an author or authors can be identified, cite the book as you would for a print or ebook. If no author(s) can be identified for the open access book or book chapters, use the open access publisher as the author. Include the website URL for the textbook at the end of the citation.
OpenStax. (2019). Organizational behavior. OpenStax. https://openstax.org/details/books/organizational-behavior