Sorry for the typo.

Hello!
Is this sentence correct?
Sorry for the typo.
Can I also say "I apologise/apologize for the typo?"

Yes. They are fine.

BTW, the end-quote comes after the punctuation mark.

Martin Luther King Jr. said, "I had a dream."


Moderators, please correct me if I am wrong, because I have seen it both ways in this forum.



--lotus

Your punctuation is correct in AE.

In BE, we write

Martin Luther King Jr said, "I have a dream".

Can I also say "I apologise for the typo"?