

However, if the number of authors exceeds four persons, you can indicate the main author’s last name, and write “et al.” If there are a few authors, you should mention them all using commas between each surname. Depending on the context, you can refer to the author’s statements in the book by indicating their last name and a page in parentheses. If you cite a book a few times, it will suffice to mention the author’s surname, date of publication, and a page.

While the style has primary and secondary in-text citations in the Chicago format. It allows indicating solely the author’s last and first names, book titles, and publication details. The author and date template is well familiar to learners with a major in natural sciences and implies in-text book citing.

The number of footnotes should be consecutive and ordered. Their most common location is at the bottom of the page. Footnotes are placed on each page where the source is cited. Notes and bibliography are common in humanities sciences and include arranging footnotes of the sources that are consistent with the items on the reference page. If you decide to cite a book in Chicago format, you should be aware of the details of both styles and apply them accordingly. Both styles have intricacies of their use in the text depending on the discipline or subject. The second one implies author-date in-text citations of sources. The first one provides notes and a bibliography of the books used for writing a paper. There are two types of book citations in the Chicago format.
