From Pittsburgh Streets
The {{references}} template is used to list all sources cited by an article. This list should be at the bottom of the article in a "References" section. The sources should be cited at appropriate points in the article text using the {{r}} template.

A page number or page range can be specified for a source by using the @ symbol. Use this when a source is cited only once or all citations refer to the same part of the source. If different parts of the same source are cited within one article, put the appropriate page number or page range in each {{r}} citation.

Usage examples