APA (7th ed.) Citation

Landau, L. D., Lifshitz, E. M., Sykes, J. B., & Reid, W. H. (1959). Theory of elasticity. Pergamon Press.

Chicago Style (17th ed.) Citation

Landau, L. D., E. M. Lifshitz, J. B. Sykes, and W. H. Reid. Theory of Elasticity. London: Pergamon Press, 1959.

MLA (9th ed.) Citation

Landau, L. D., et al. Theory of Elasticity. Pergamon Press, 1959.