APA (7th ed.) Citation

Todhunter, I. (1962). A History of the calculusof variations during the nineteenth century. Chelsea Publishing.

Chicago Style (17th ed.) Citation

Todhunter, Isaac. A History of the Calculusof Variations During the Nineteenth Century. New York: Chelsea Publishing, 1962.

MLA (9th ed.) Citation

Todhunter, Isaac. A History of the Calculusof Variations During the Nineteenth Century. Chelsea Publishing, 1962.