New York. New York is a state and a large city
It is both a city and a county within the US State of Pennsylvania.
No, the place of publication for a bibliography should include both the city and the state (in the US) or country (outside the US) where the source was published.
What was the large city-state of Crete that became the center of trade and technology
Lagos is the name of both a city and a state.
Washington DC
yes.
yes it was
Cairo is a large city in Egypt.
both! Kansas City, Missouri .... Kansas, USA.
you place the comma after the city example Los Angeles,California
Washington, D.C.
a place in mesopotamia...a city state