APA (7th ed.) Citation

Copson, E. T. (1965). Asymptotic expansions. Cambridge University Press.

Chicago Style (17th ed.) Citation

Copson, E. T. Asymptotic Expansions. London: Cambridge University Press, 1965.

MLA (8th ed.) Citation

Copson, E. T. Asymptotic Expansions. Cambridge University Press, 1965.