MLA

Croxton, P.C.L, and L.H Martin. Solving Problems In Structures, Volume 1. [S.l.]: Longman Scientific & Technical, 1987.

APA

Croxton, P., & Martin, L. (1987). Solving problems in structures, volume 1. [S.l.]: Longman Scientific & Technical.

Chicago

Croxton, P.C.L., and L.H Martin. Solving Problems In Structures, Volume 1. [S.l.]: Longman Scientific & Technical, 1987.