LaTeX comes with several citation styles:
Other citation styles are also available:
Many databases allow exporting citations to BibTeX.
Comprehensive collection of full-text publications, including journals, conference proceedings, technical magazines, books, and newsletters published by the Association for Computing Machinery (ACM).
This resource provides tools to dynamically compare and manipulate tens of millions of statistical data series available in the Data-Planet repository. The interactive database allows users to create tables, maps, and figures from a variety data sources covering banking, criminal justice, education, energy, food and agriculture, government, health, housing and construction, industry and commerce, labor and employment, natural resources and environment, income, cost of living, stocks, transportation, and more. Data holdings for the United States are significant with some data available at state, county, or local geographies. International data, available at the country level, include population, food and agriculture, labor, trade, and more. Data are organized by subject and source.
If you prefer to collect, organize, and manage your references in a citation manager, your software may be able to export citations to BibTeX.