APA Style

Owen, R., Schlegel, K, F. (1979). Surgery of the spine (Authorized English ed.). Philadelphia :;Stuttgart :: W. B. Saunders Co. ;;G. Thieme,.

MLA Style

Owen, Robert., Schlegel, Karl, Friedrich,. "Surgery of the spine". Authorized English ed. Philadelphia :;Stuttgart :: W. B. Saunders Co. ;;G. Thieme,, 1979. Text.