This is where I would like to have the full stop only inside the curly quotes.1
This is where the full stop should go at the very end.2
Lorem ipsum dolor sit amet.3
Lorem ipsum dolor (sicut 2) sit amet.4
äüöß
1See John Doe: A Bibliographer’s TeXnic Inquiry, in: The TeX4HT Journal 25.3 (1989), pp. 393–396, 3, consider especially: “It can be difficult to deal with full stops and curly quotes.”.
2See ibid., 4, “different situation”.
3Test with a label.
4Exactly like in n. 3.