APA (7th ed.) Citation

Copson, E. T. (1962). An introduction to the theory of functions of a complex variable. Oxford University Press.

Chicago Style (17th ed.) Citation

Copson, E. T. An Introduction to the Theory of Functions of a Complex Variable. Oxford: Oxford University Press, 1962.

MLA (9th ed.) Citation

Copson, E. T. An Introduction to the Theory of Functions of a Complex Variable. Oxford University Press, 1962.