“Appendix 3: Some Trigonometric Gems.” Trigonometric Delights, by Eli Maor, Princeton University Press, PRINCETON; OXFORD, 1998, pp. 220–221, www.jstor.org/stable/j.ctt1r2f46.31. Accessed 14 Aug. 2020.
Maor, E. (1998). Appendix 3: Some Trigonometric Gems. In Trigonometric Delights (pp. 220-221). PRINCETON; OXFORD: Princeton University Press. Retrieved August 14, 2020, from www.jstor.org/stable/j.ctt1r2f46.31
Maor, Eli. "Appendix 3: Some Trigonometric Gems." In Trigonometric Delights, 220-21. PRINCETON; OXFORD: Princeton University Press, 1998. Accessed August 14, 2020. www.jstor.org/stable/j.ctt1r2f46.31.
Export a RIS file (For EndNote, ProCite, Reference Manager, Zotero, Mendeley…)
Export a Text file (For BibTex)
Note: Always review your references and make any necessary corrections before using. Pay attention to names, capitalization, and dates.