APA (7th ed.) Citation

Sneddon, I. N., & Lowengrub, M. (1969). Crack problems in the classical theory of elasticity. Wiley.

Chicago Style (17th ed.) Citation

Sneddon, I. N., and M. Lowengrub. Crack Problems in the Classical Theory of Elasticity. New York: Wiley, 1969.

MLA (9th ed.) Citation

Sneddon, I. N., and M. Lowengrub. Crack Problems in the Classical Theory of Elasticity. Wiley, 1969.