APA

Billinghurst A., Williams J. R. L. & Chen G. (1991). Inelastic uniform torsion of steel members. Sydney: School of Civil and Mining Engineering.

Chicago

Billinghurst A, Williams J R L and Chen G. 1991. Inelastic uniform torsion of steel members. Sydney: School of Civil and Mining Engineering.

Harvard

Billinghurst A., Williams J. R. L. and Chen G. (1991). Inelastic uniform torsion of steel members. Sydney: School of Civil and Mining Engineering.

MLA

Billinghurst A, Williams J R L and Chen G. Inelastic uniform torsion of steel members. Sydney: School of Civil and Mining Engineering. 1991.