APA (7th ed.) Citation

Cajori, F. (1928). A history of mathematical notations. The Open court publishing company.

Chicago Style (17th ed.) Citation

Cajori, Florian. A History of Mathematical Notations. Chicago, Ill: The Open court publishing company, 1928.

MLA (8th ed.) Citation

Cajori, Florian. A History of Mathematical Notations. The Open court publishing company, 1928.

Warning: These citations may not always be 100% accurate.