求助，投elsevier的一个期刊，，参考文献引用要求里有这一段：

\biboptions{longnamesfirst,angle,semicolon}
二是，参考文献两端是尖括号，而不是圆括号。
\bibliographystyle{elsarticle-harv}

第一次写文章，求高人指点，感激不尽！！
\bibliography{vsabb}

publication;
就是说一个两个作者要列出，三个或以上作者只列一个并显示et.al
alphabetically, then chronologically.

2. Two authors: both authors' names and the year of publication;
采用的是elsarticle-harv.bst 用bibtex编译的
Examples: 'as demonstrated (Allan, 2000a, 2000b, 1999; Allan and Jones, 1999). Kramer et al.

Reference style
Citations may be made directly (or parenthetically). Groups of references should be listed first
\documentclass[authoryear,preprint,12pt,review]{elsarticle}

可是我怎么也达不到这种效果，我的效果见图片，另有elsdoc.pdf中的效果。
结尾引用文献语句如下：
一是，有的地方三个作者的显示了et.al，有的三个的甚至四个作者的全部列出来了；
1. Single author: the author's name (without initials, unless there is ambiguity) and the year of
我的效果.jpg
elsdoc文件中的效果.jpg 3. Three or more authors: first author's name followed by 'et al.' and the year of publication.
Text: All citations in the text should refer to:

开头语句如下：
(2010) have recently shown ....'