Example 1 an example without using label argument for entries is given below. Rice, mathematical statistics and data analysis third edition,duxbury advanced series (2007) bibitem2 1. Under the hood, latex remembers the citekey and label information because bibitem writes it to the auxiliary file filename. For instance, the above example causes bibcite latexdps lamport, 1993 and bibcite texbook 1 to appear in that file. to generate bibliography in latex, we use environment thebibliography and for the various entries we use command bibitem. The advantage here once again is that latex looks after the numbering for you. Myfile tex then on a first pass through latex an auxiliary file. Latex tex file must contain the command bibliography database1 database2. since there is no other answer, this (not exactly automatic) way could be helpful create a. Compile as usual (latexbibtexlatex) in the directory of the. However, it requires some learning, to work with bibtex and to choose the right style. Just my opinion if you would have a small amount of citations, you could follow their style manually.