What are the entries for a manual reference? For example the following entry:
Code: Select all
@manual{x13seats,
title = {X-13ARIMA-SEATS Reference Manual},
author = {U.S. Census Bureau},
organization = {U.S. Census Bureau},
address = {Washington, DC},
month = 7,
year = 2017,
url = {https://www.census.gov/srd/www/winx13/WinX13Doc.html}
}