APA Style

(3r, I, C, O, S, S, R, A, M, O, H, B. et al (1993). Structural repair and maintenance of historical buildings III . enk: .

MLA Style

(3r, International, Conference, On, Structural, Studies,, Repairs,, And, Maintenance, Of, Historical, Buildings. et al. "Structural repair and maintenance of historical buildings III". enk: , 1993. print.