APA (7th ed.) Citation

Roberts, N. P., & Ridley, P. G. (1963). Worked examples in the theory of structures. Macdonald.

Chicago Style (17th ed.) Citation

Roberts, N. P., and P. G. Ridley. Worked Examples in the Theory of Structures. London: Macdonald, 1963.

MLA (8th ed.) Citation

Roberts, N. P., and P. G. Ridley. Worked Examples in the Theory of Structures. Macdonald, 1963.