舆图集 「费城」(地点)。https://yutuji.com/place/philadelphia/(2026-10-26 访问)@misc{yutuji_place_philadelphia,
title = {费城},
author = {舆图集},
year = {2026},
url = {https://yutuji.com/place/philadelphia/},
urldate= {2026-10-26}
}https://yutuji.com/place/philadelphia/本页地址不会变。整套数据与许可在数据页。