APA (7th ed.) Citation
Sandifer, C. E. (2015). How Euler did even more. Mathematical Association of America, Inc..
Chicago Style (17th ed.) Citation
Sandifer, C. Edward. How Euler Did Even More. Washington, District of Columbia: Mathematical Association of America, Inc., 2015.
MLA (9th ed.) Citation
Sandifer, C. Edward. How Euler Did Even More. Mathematical Association of America, Inc., 2015.
Warning: These citations may not always be 100% accurate.