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 Is there a limit to how many referral vouchers I can earn? How does the referral program work? Can I earn a referral voucher for friends or family that are going on the same cruise with me? Free @ Sea: Ultimate Beverage Package Why should I buy with Cruises.com?