Westhofen, W. (1890). The Forth bridge (3rd ed., rev., with appendix.). Offices of "Engineering".
Citación estilo ChicagoWesthofen, W. The Forth Bridge. 3rd ed., rev., with appendix. London: Offices of "Engineering", 1890.
Cita MLAWesthofen, W. The Forth Bridge. 3rd ed., rev., with appendix. Offices of "Engineering", 1890.
Warning: These citations may not always be 100% accurate.