How will I receive my credit for a referring another customer? November 09, 2018 16:50 Updated Your referral voucher will be emailed to you and added to your customer profile. Related articles How does the referral program work? Is there a limit to how many referral vouchers I can earn? Can I earn a referral voucher for friends or family that are going on the same cruise with me? How do I qualify for my "Up to $1,000 Cash Back, Up to $750 Onboard Credit or Up to $750 Amazon Gift Card"? Why should I buy with Cruises.com?