APA (7th ed.) Citation

Thompson, S. P. (1987). Calculus made easy: Being a very-simplest introduction to those beautiful methods of reckoning which are generally called by the terrifying names of the differential calculus and the integral calculus (3. ed., repr.). St. Martin's Press.

Chicago Style (17th ed.) Citation

Thompson, Silvanus Phillips. Calculus Made Easy: Being a Very-simplest Introduction to Those Beautiful Methods of Reckoning Which Are Generally Called by the Terrifying Names of the Differential Calculus and the Integral Calculus. 3. ed., repr. New York: St. Martin's Press, 1987.

MLA (9th ed.) Citation

Thompson, Silvanus Phillips. Calculus Made Easy: Being a Very-simplest Introduction to Those Beautiful Methods of Reckoning Which Are Generally Called by the Terrifying Names of the Differential Calculus and the Integral Calculus. 3. ed., repr. St. Martin's Press, 1987.

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