APA (7th ed.) Citation

Hart, F., Henn, W., & Sontag, H. (1978). Multi-storey buildings in steel. Granada Publ..

Chicago Style (17th ed.) Citation

Hart, Franz, Walter Henn, and Hansjürgen Sontag. Multi-storey Buildings in Steel. London: Granada Publ., 1978.

MLA (9th ed.) Citation

Hart, Franz, et al. Multi-storey Buildings in Steel. Granada Publ., 1978.