Turabian, K. L., Booth, W. C., Colomb, G. G., Williams, J. M., Bizup, J., & FitzGerald, W. T. (2018). A manual for writers of research papers, theses, and dissertations: Chicago Style for students and researchers (9th edition.). The University of Chicago Press.
Chicago Style (17th ed.) CitationTurabian, Kate L.,, Wayne C. Booth, Gregory G. Colomb, Joseph M. Williams, Joseph Bizup, and William T. FitzGerald. A Manual for Writers of Research Papers, Theses, and Dissertations: Chicago Style for Students and Researchers. 9th edition. Chicago ; London: The University of Chicago Press, 2018.
MLA (8th ed.) CitationTurabian, Kate L.,, et al. A Manual for Writers of Research Papers, Theses, and Dissertations: Chicago Style for Students and Researchers. 9th edition. The University of Chicago Press, 2018.