APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Copson, E. T. Asymptotic Expansions. Cambridge [England]: University Press, 1965.

MLA (9th ed.) Citation

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