Westhofen, W. (1890). The Forth bridge (3rd ed., rev., with appendix.). Offices of "Engineering".
芝加哥风格引文Westhofen, W. The Forth Bridge. 3rd ed., rev., with appendix. London: Offices of "Engineering", 1890.
MLA引文Westhofen, W. The Forth Bridge. 3rd ed., rev., with appendix. Offices of "Engineering", 1890.
警告：这些引文格式不一定是100％准确.