Add punctuation: DMOZ Computers Programming Internet Resources
A: DMOZ - Computers: Programming: Internet: Resources:

Add punctuation: We note that Mersenne referred to the cycloid as the roulette but the term cycloid was adopted later
A: We note that Mersenne referred to the cycloid as the 'roulette' but the term cycloid was adopted later.

Add punctuation: With a visa or without a visa
A:
With a visa or without a visa?