King James Version
Speak unto the children of Israel, and say unto them, When either man or woman shall separate themselves to vow a vow of a Nazarite, to separate themselves unto the LORD:New International Version
"Speak to the Israelites and say to them: 'If a man or woman wants to make a special vow, a vow of separation to the LORD as a Nazirite,Catholic Public Domain Version
"Speak to the sons of Israel, and you shall say to them: A man or a woman, when they have made a vow so that they may be sanctified, and when they are willing to consecrate themselves to the Lord