APA (7th ed.) Citation

Harnack, A., & Cathcart, G. L. (1891). An introduction to the study of the elements of the differential and integral calculus. Williams and Norgate.

Chicago Style (17th ed.) Citation

Harnack, Axel, and George Lambert Cathcart. An Introduction to the Study of the Elements of the Differential and Integral Calculus. London [etc.]: Williams and Norgate, 1891.

MLA (9th ed.) Citation

Harnack, Axel, and George Lambert Cathcart. An Introduction to the Study of the Elements of the Differential and Integral Calculus. Williams and Norgate, 1891.