Most of you got this right - if it were a journal article, you would have seen a volume and issue, followed by a date.
This is a book chapter. Most of you got this wrong - if it were a journal article, you would not see the city or press/publisher name.
This is a journal article. Most of you got this wrong as well - Books always have a city and publisher name.
Most of you, however, got this one right - even though it is also a journal article - was it the name of the journal that threw you off in the last one? Sometimes journals have titles that make it obvious they are journals (quarterly, in this case), but other times they have names like Animal Behavior or Science that can trick you.